MIDTERM REVIEW. What was the total distance traveled by the object during the 10.0second time interval? A) 0 m B) 8 m C) 16 m D) 24 m


 Samantha Francis
 1 years ago
 Views:
Transcription
1 NAME MIDTERM REVIEW 1. A student on an amusement park ride moves in a circular path with a radius of 3.5 meters once every 8.9 seconds. The student moves at an average speed of A) 0.39 m/s B) 1.2 m/s C) 2.5 m/s D) 4.3 m/s 2. A car travels 20. meters east in 1.0 second. The displacement of the car at the end of this 1.0second interval is A) 20. m B) 20. m/s C) 20. m east D) 20. m/s east 3. A moving body must undergo a change of A) velocity B) acceleration C) position D) direction 4. A car travels 90. meters due north in 15 seconds. Then the car turns around and travels 40. meters due south in 5.0 seconds. What is the magnitude of the average velocity of the car during this 20.second interval? A) 2.5 m/s B) 5.0 m/s C) 6.5 m/s D) 7.0 m/s 5. A truck, initially traveling at a speed of 22 meters per second, increases speed at a constant rate of 2.4 meters per second 2 for 3.2 seconds. What is the total distance traveled by the truck during this 3.2second time interval? A) 12 m B) 58 m C) 70. m D) 83 m 6. A roller coaster, traveling with an initial speed of 15 meters per second, decelerates uniformly at 7.0 meters per second 2 to a full stop. Approximately how far does the roller coaster travel during its deceleration? A) 1.0 m B) 2.0 m C) 16 m D) 32 m 7. Starting from rest, an object rolls freely down an incline that is 10 meters long in 2 seconds. The acceleration of the object is approximately A) 5 m/sec B) 5 m/sec 2 C) 10 m/sec D) 10 m/sec 2 8. A child riding a bicycle at 15 meters per second accelerates at 3.0 meters per second 2 for 4.0 seconds. What is the child s speed at the end of this 4.0second interval? A) 12 m/s B) 27 m/s C) 3.0 m/s D) 7.0 m/s 9. A rock is dropped from a bridge. What happens to the magnitude of the acceleration and the speed of the rock as it falls? [Neglect friction.] A) Both acceleration and speed increase. B) Both acceleration and speed remain the same. C) Acceleration increases and speed decreases. D) Acceleration remains the same and speed increases. 10. A rock dropped off a bridge takes 5 seconds to hit the water. Approximately what was the rock's velocity just before impact? A) 5 m/s B) 2 m/s C) 50 m/s D) 125 m/s 11. A ball is thrown straight downward with a speed of 0.50 meter per second from a height of 4.0 meters. What is the speed of the ball 0.70 second after it is released? [Neglect friction.] A) 0.50 m/s B) 7.4 m/s C) 9.8 m/s D) 15 m/s 12. A rock falls from rest a vertical distance of 0.72 meter to the surface of a planet in 0.63 second. The magnitude of the acceleration due to gravity on the planet is A) 1.1 m/s 2 B) 2.3 m/s 2 C) 3.6 m/s 2 D) 9.8 m/s The graph below represents the displacement of an object moving in a straight line as a function of time. What was the total distance traveled by the object during the 10.0second time interval? A) 0 m B) 8 m C) 16 m D) 24 m
2 14. Which graph best represents the motion of an object whose speed is increasing? A) B) C) D) 15. Base your answer to the following question on the graph below, which represents the relationship between the displacement of an object and its time of travel along a straight line. What is the magnitude of the object's total displacement after 8.0 seconds? A) 0 m B) 2 m C) 8 m D) 16 m Base your answers to questions 16 through 20 on the graph below which represents the displacement of an object as a function of time. 16. How far is the object from the starting point at the end of 3 seconds? A) 0 m B) 2.0 m C) 3.0 m D) 9.0 m 17. What is the velocity of the object at t = 1 second? A) 1.0 m/s B) 2.0 m/s C) 3.0 m/s D) 1.5 m/s 18. During which time interval is the object at rest? A) 02 s B) 23 s C) 34 s D) 46 s
3 19. What is the average velocity of the object from t = 0 to t = 3 seconds? A) 1.0 m/s B) 2.0 m/s C) 3.0 m/s D) 0 m/s 20. During which time interval is the object accelerating? A) 02 s B) 23 s C) 34 s D) 46 s Base your answers to questions 21 through 26 on the graph below which represents the relationship between speed and time for an object in motion along a straight line. 21. What is the acceleration of the object during the time interval t = 3 seconds to t = 5 seconds? A) 5.0 m/sec 2 B) 7.5 m/sec 2 C) 12.5 m/sec 2 D) 17.5 m/sec What is the average speed of the object during the time interval t = 6 seconds to t = 8 seconds'? A) 7.5 m/sec B) 10 m/sec C) 15 m/sec D) 17.5 m/sec 23. What is the total distance traveled by the object during the first 3 seconds? A) 15 m B) 20 m C) 25 m D) 30 m 24. During which interval is the object's acceleration the greatest? A) AB B) CD C) DE D) EF 25. During the interval t = 8 seconds to t = 10 seconds, the speed of the object is A) zero B) increasing C) decreasing D) constant, but not zero 26. What is the maximum speed reached by the object during the 10 seconds of travel? A) 10 m/sec B) 25 m/sec C) 150 m/sec D) 250 m/sec 27. What is the momentum of a kilogram car as it travels at 30. meters per second due east for 60. seconds? A) kg m/s, east B) kg m/s, west C) kg m, east D) kg m, west 28. An object traveling at 4.0 meters per second has a momentum of 16 kilogrammeters per second. What is the mass of the object? A) 64 kg B) 20 kg C) 12 kg D) 4.0 kg
4 29. An air bag is used to safely decrease the momentum of a driver in a car accident. The air bag reduces the magnitude of the force acting on the driver by A) increasing the length of time the force acts on the driver B) decreasing the distance over which the force acts on the driver C) increasing the rate of acceleration of the driver D) decreasing the mass of the driver 30. A 3.0kilogram object is acted upon by an impulse having a magnitude of 15 newton seconds. What is the magnitude of the object s change in momentum due to this impulse? A) 5.0 kg m/s B) 15 kg m/s C) 3.0 kg m/s D) 45 kg m/s 31. Which quantity has both a magnitude and a direction? A) energy B) impulse C) power D) work 32. A 75kilogram hockey player is skating across the ice at a speed of 6.0 meters per second. What is the magnitude of the average force required to stop the player in 0.65 second? A) 120 N B) 290 N C) 690 N D) 920 N 33. Which situation will produce the greatest change of momentum for a 1.0kilogram cart? A) accelerating it from rest to 3.0 m/s B) accelerating it from 2.0 m/s to 4.0 m/s C) applying a net force of 5.0 N for 2.0 s D) applying a net force of 10.0 N for 0.5 s 34. In the diagram below, a 60.kilogram rollerskater exerts a 10.newton force on a 30.kilogram rollerskater for 0.20 second. What is the magnitude of the impulse applied to the 30.kilogram rollerskater? A) 50. N s B) 2.0 N s C) 6.0 N s D) 12 N s 35. When a 1.0kilogram cart moving with a speed of 0.50 meter per second on a horizontal surface collides with a second 1.0kilogram cart initially at rest, the carts lock together. What is the speed of the combined carts after the collision? [Neglect friction.] A) 1.0 m/s B) 0.50 m/s C) 0.25 m/s D) 0 m/s 36. A 3.1 kilogram gun initially at rest is free to move. When a kilogram bullet leaves the gun with a speed of 500. meters per second, what is the speed of the gun? A) 0.0 m/s B) 2.4 m/s C) 7.5 m/s D) 500. m/s 37. A 2.0kilogram ball traveling north at 4.0 meters per second collides head on with a 1.0kilogram ball traveling south at 8.0 meters per second. What is the magnitude of the total momentum of the two balls after collision? A) 0 kgm/s B) 8.0 kgm/s C) 16 kgm/s D) 32 kgm/s 38. An 80.kilogram skater and a 60.kilogram skater stand at rest in the center of a skating rink. The two skaters push each other apart. The 60.kilogram skater moves with a velocity of 10. meters per second east. What is the velocity of the 80.kilogram skater? [Neglect any frictional effects.] A) 0.13 m/s west B) 7.5 m/s west C) 10. m/s east D) 13. m/s east
5 39. Which object has the greatest inertia? A) a kg bullet traveling at 90. m/s B) a 30.kg child traveling at 10. m/s on her bike C) a 490kg elephant walking with a speed of 1.0 m/s D) a 1500kg car at rest in a parking lot 40. A person is standing on a bathroom scale in an elevator car. If the scale reads a value greater than the weight of the person at rest, the elevator car could be moving A) downward at constant speed B) upward at constant speed C) downward at increasing speed D) upward at increasing speed 41. The diagram below shows a horizontal 12newton force being applied to two blocks, A and B, initially at rest on a horizontal, frictionless surface. Block A has a mass of 1.0 kilogram and block B has a mass of 2.0 kilograms. The magnitude of the acceleration of block B is A) 6.0 m/s 2 B) 2.0 m/s 2 C) 3.0 m/s 2 D) 4.0 m/s Two forces, F1 and F2, are applied to a block on a frictionless, horizontal surface as shown below. If the magnitude of the block's acceleration is 2.0 meters per second 2, what is the mass of the block? A) 1 kg B) 5 kg C) 6 kg D) 7 kg 43. A 25newton horizontal force northward and a 35newton horizontal force southward act concurrently on a 15kilogram object on a frictionless surface. What is the magnitude of the object's acceleration? A) 0.67 m/s 2 B) 1.7 m/s 2 C) 2.3 m/s 2 D) 4.0 m/s The graph below represents the relationship between the forces applied to an object and the corresponding accelerations produced. What is the inertial mass of the object? A) 1.0 kg B) 2.0 kg C) 0.50 kg D) 1.5 kg 45. What is the magnitude of the net force acting on a kilogram car as it accelerates from rest to a speed of 15 meters per second in 5.0 seconds? A) N B) N C) N D) N 46. A 400newton girl standing on a dock exerts a force of 100 newtons on a newton sailboat as she pushes it away from the dock. How much force does the sailboat exert on the girl? A) 25 N B) 100 N C) 400 N D) N 47. An object weighing 4 Newtons rests on a horizontal tabletop. The force of the tabletop on the object is A) 0 N B) 4 N horizontally C) 4 N downward D) 4 N upward 48. On the planet Gamma, a 4.0kilogram mass experiences a gravitational force of 24 Newtons. What is the acceleration due to gravity on planet Gamma? A) 0.17 m/s 2 B) 6.0 m/s 2 C) 9.8 m/s 2 D) 96 m/s What is the weight of a 5.0kilogram object at the surface of the Earth? A) 5.0 kg B) 25 N C) 49 N D) 49 kg
6 50. The graph below shows the weight of three objects on planet X as a function of their mass. The acceleration due to gravity on planet X is A) 0.17 m/s 2 B) 6.0 m/s 2 C) 9.8 m/s 2 D) 50. m/s An 8.0newton wooden block slides across a horizontal wooden floor at constant velocity. What is the magnitude of the force of kinetic friction between the block and the floor? A) 2.4 N B) 3.4 N C) 8.0 N D) 27 N 52. The diagram below shows a 4.0kilogram object accelerating at 10. meters per second 2 on a rough horizontal surface. 54. If a 30Newton force is required to accelerate a 2kilogram object at 10 meters per second 2, over a level floor, then the magnitude of the frictional force acting on the object is A) 0 N B) 10 N C) 20 N D) 30 N 55. According to your reference table, Approximate Coefficents of Friction, what is the minimum horizontal force needed to start a 300. N steel block on a steel table in motion? A) 0.57 N B) 074 N C) 171 N D) 222 N 56. Jill is pulling a 200. Newton sled through the snow at constant velocity using a horizontal force of 10. Newtons. What is the kinetic coefficient of friction of the sled on the snow? A) 0.02 B) 0.05 C) 0.20 D) Two forces act concurrently on an object. Their resultant force has the largest magnitude when the angle between the forces is A) 0 B) 30 C) 90 D) In the diagram below, a 20.newton force due north and a 20.newton force due east act concurrently on an object, as shown in the diagram below. What is the magnitude of the frictional force Ff acting on the object? A) 5.0 N B) 10. N C) 20. N D) 40. N 53. The diagram below shows a student applying a 10.newton force to slide a piece of wood at constant speed across a horizontal surface. After the wood is cut in half, one piece is placed on top of the other, as shown. What is the magnitude of the force, F, required to slide the stacked wood at constant speed across the surface? A) 40 N B) 20 N C) 10 N D) 5.0 N The additional force necessary to bring the object into a state of equilibrium is A) 20. N, northeast B) 20. N, southwest C) 28 N, northeast D) 28 N, southwest 59. A 5.0newton force and a 7.0newton force act concurrently on a point. As the angle between the forces is increased from 0 to 180, the magnitude of the resultant of the two forces changes from A) 0.0 N to 12.0 N B) 2.0 N to 12.0 N C) 12.0 N to 2.0 N D) 12.0 N to 0.0 N
7 60. A girl leaves a history classroom and walks 10. meters north to a drinking fountain. Then she turns and walks 30. meters south to an art classroom. What is the girl s total displacement from the history classroom to the art classroom? A) 20. m south B) 20. m north C) 40. m south D) 40. m north 61. The components of a 15meterspersecond velocity at an angle of 60. above the horizontal are A) 7.5 m/s vertical and 13 m/s horizontal B) 13 m/s vertical and 7.5 m/s horizontal C) 6.0 m/s vertical and 9.0 m/s horizontal D) 9.0 m/s vertical and 6.0 m/s horizontal 62. An airplane flies with a velocity of 750. kilometers per hour, 30.0º south of east. What is the magnitude of the eastward component of the plane s velocity? A) 866 km/h B) 650 km/h C) 433 km/h D) 375km/h 63. Equilibrium exists in a system where three forces are acting concurrently on an object. If the system includes a 5.0newton force due north and a 2.0newton force due south, the third force must be A) 7.0 N south B) 7.0 N north C) 3.0 N south D) 3.0 N north 64. In the diagram below, the weight of a box on a plane inclined at 30. is represented by the vector W. 67. Which quantity includes both magnitude and direction? A) mass B) time C) distance D) velocity 68. A 75kilogram bicyclist coasts down a hill at a constant speed of 12 meters per second. What is the kinetic energy of the bicyclist? A) J B) J C) J D) 1.1 l0 4 J 69. An object falls freely near Earth s surface. Which graph best represents the relationship between the object s kinetic energy and its time of fall A) B) C) D) 70. An object moving at a constant speed of 25 meters per second possesses 450 joules of kinetic energy. What is the object s mass? A) 0.72 kg B) 1.4 kg C) 18 kg D) 36 kg 71. A car travels at constant speed v up a hill from point A to point B, as shown in the diagram below. What is the magnitude of the component of the weight (W) that acts parallel to the incline? A) W B) 0.50 W C) 0.87 W D) 1.5 W 65. Which quantity is scalar? A) mass B) force C) momentum D) acceleration 66. Which terms represent a vector quantity and its respective unit? A) weight kilogram B) mass kilogram C) force newton D) momentum newton As the car travels from A to B, its gravitational potential energy A) increases and its kinetic energy decreases B) increases and its kinetic energy remains the same C) remains the same and its kinetic energy decreases D) remains the same and its kinetic energy remains the same
8 72. A 1.00kilogram ball is dropped from the top of a building. Just before striking the ground, the ball s speed is 12.0 meters per second. What was the ball s gravitational potential energy, relative to the ground, at the instant it was dropped? [Neglect friction.] A) 6.00 J B) 24.0 J C) 72.0 J D) 144 J 73. A girl rides an escalator that moves her upward at constant speed. As the girl rises, how do her gravitational potential energy and kinetic energy change? A) Gravitational potential energy decreases and kinetic energy decreases. B) Gravitational potential energy decreases and kinetic energy remains the same. C) Gravitational potential energy increases and kinetic energy decreases. D) Gravitational potential energy increases and kinetic energy remains the same. 74. A spring gains 2.34 joules of elastic potential energy as it is compressed meter from its equilibrium position. What is the spring constant of this spring? A) 9.36 N/m B) 18.7 N/m C) 37.4 N/m D) 74.9 N/m 75. A spring with a spring constant of 4.0 newtons per meter is compressed by a force of 1.2 newtons. What is the total elastic potential energy stored in this compressed spring? A) 0.18 J B) 0.36 J C) 0.60 J D) 4.8 J 76. The graph below represents the relationship between the force applied to a spring and spring elongation for four different springs. Which spring has the greatest spring constant? A) A B) B C) C D) D 77. How much work is done by the force lifting a 0.1kilogram hamburger vertically upward at constant velocity 0.3 meter from a table? A) 0.03 J B) 0.1 J C) 0.3 J D) 0.4 J 78. As a box is pushed 30. meters across a horizontal floor by a constant horizontal force of 25 newtons, the kinetic energy of the box increases by 300. joules. How much total internal energy is produced during this process? A) 150 J B) 250 J C) 450 J D) 750 J 79. As shown in the diagram below, a child applies a constant 20.newton force along the handle of a wagon which makes a 25 angle with the horizontal. How much work does the child do in moving the wagon a horizontal distance of 4.0 meters? A) 5.0 J B) 34 J C) 73 J D) 80. J 80. A cart weighing 20 Newtons is pushed 10 meters on a level surface by a force of 5 Newtons. How much work was done on the cart? A) 15 J B) 50 J C) 100 J D) 200 J 81. A horizontal force of 40 Newtons pushes a block along a level table at a constant speed of 2 meters per second. How much work is done on the block in 6 seconds? A) 80 J B) 120 J C) 240 J D) 480 J 82. A 2.0kilogram block sliding down a ramp from a height of 3.0 meters above the ground reaches the ground with a kinetic energy of 50. joules. The total work done by friction on the block as it slides down the ramp is approximately A) 6 J B) 9 J C) 18 J D) 44 J 83. When a force moves an object over a rough, horizontal surface at a constant velocity, the work done against friction produces an increase in the object s A) weight B) momentum C) potential energy D) internal energy
9 84. A block weighing 15 Newtons is pulled to the top of an incline that is 0.20 meter above the ground, as shown below. If 4.0 joules of work are needed to pull the block the full length of the incline, how much work is done against friction? A) 1.0 J B) 0.0 J C) 3.0 J D) 7.0 J 85. In the diagram below, 400. joules of work is done raising a 72newton weight a vertical distance of 5.0 meters. 88. A 40.kilogram student runs up a staircase to a floor that is 5.0 meters higher than her starting point in 7.0 seconds. The student s power output is A) 29 W B) 280 W C) W D) W 89. In raising an object vertically at a constant speed of 2.0 meters per second, 10. watts of power is developed. The weight of the object is A) 5.0 N B) 20. N C) 40. N D) 50. N 90. A motor used 120. watts of power to raise a 15newton object in 5.0 seconds. Through what vertical distance was the object raised? A) 1.6 m B) 8.0 m C) 40. m D) 360 m 91. A 15.0kilogram mass is moving at 7.50 meters per second on a horizontal, frictionless surface. What is the total work that must be done on the mass to increase its speed to 11.5 meters per second? A) 120. J B) 422 J C) 570. J D) 992 J 92. A horizontal force of 5.0 newtons acts on a 3.0kilogram mass over a distance of 6.0 meters along a horizontal, frictionless surface. What is the change in kinetic energy of the mass during its movement over the 6.0meter distance? A) 6.0 J B) 15 J C) 30. J D) 90. J 93. In the diagram below, an average force of 20. Newtons is used to pull back the string of a bow 0.60 meter. How much work is done to overcome friction as the weight is raised? A) 40. J B) 360 J C) 400. J D) 760 J 86. Which quantity is a measure of the rate at which work is done? A) energy B) power C) momentum D) velocity 87. The rate at which work is done is measured in A) Newtons B) joules C) calories D) watts As the arrow, leaves the bow, its kinetic energy is A) 3.4 J B) 6.0 J C) 12 J D) 33 J
10 96. A block weighing 40. newtons is released from rest on an incline 8.0 meters above the horizontal, as shown in the diagram below. 94. As the pendulum swings from position A to position B as shown in the diagram above, what is the relationship of kinetic energy to potential energy? [Neglect friction.] A) The kinetic energy decrease is more than the potential energy increase. B) The kinetic energy increase is more than the potential energy decrease. C) The kinetic energy decrease is equal to the potential energy increase. D) The kinetic energy increase is equal to the potential energy decrease. 95. A pendulum is made from a 7.50kilogram mass attached to a rope connected to the ceiling of a gymnasium. The mass is pushed to the side until it is at position A, 1.5 meters higher than its equilibrium position. After it is released from rest at position A, the pendulum moves freely back and forth between positions A and B, as shown in the diagram below. If 50. joules of heat is generated as the block slides down the incline, the maximum kinetic energy of the block at the bottom of the incline is A) 50. J B) 270 J C) 320 J D) 3100 J 97. A ball is thrown vertically upward. As the ball rises, its total energy (neglecting friction) A) decreases B) increases C) remains the same What is the total amount of kinetic energy that the mass has as it swings freely through its equilibrium position? [Neglect friction.] A) 11 J B) 94 J C) 110 J D) 920 J
11 Base your answers to questions 98 through 100 on the information below. A roller coaster car has a mass of 290. kilograms. Starting from rest, the car acquires joules of kinetic energy as it descends to the bottom of a hill in 5.3 seconds. 98. Calculate the height of the hill. [Neglect friction.] [Show all work, including the equation and substitution with units.] 99. Calculate the speed of the roller coaster car at the bottom of the hill. [Show all work, including the equation and substitution with units.] 100. Calculate the magnitude of the average acceleration of the roller coaster car as it descends to the bottom of the hill. [Show all work, including the equation and substitution with units.] Base your answers to questions 101 and 102 on the information below. A 65kilogram pole vaulter wishes to vault to a height of 5.5 meters Calculate the minimum amount of kinetic energy the vaulter needs to reach this height if air friction is neglected and all the vaulting energy is derived from kinetic energy. [Show all work, including the equation and substitution with units.] 102. Calculate the speed the vaulter must attain to have the necessary kinetic energy. [Show all work, including the equation and substitution with units.] Base your answers to questions 103 through 106 on the information below and on your knowledge of physics. The diagram below represents a 4.0newton force applied to a kilogram copper block sliding to the right on a horizontal steel table Determine the weight of the block Calculate the magnitude of the force of friction acting on the moving block. [Show all work, including the equation and substitution with units.]
12 105. Determine the magnitude of the net force acting on the moving block Describe what happens to the magnitude of the velocity of the block as the block slides across the table The coefficient of kinetic friction between a 780.newton crate and a level warehouse floor is Calculate the magnitude of the horizontal force required to move the crate across the floor at constant speed.
13 Answer Key midterm review 1. C 37. A 73. D C 38. B 74. D 3. C 39. D 75. A 4. A 40. D 76. A 5. D 6. C 7. B 8. C 9. D 10. C 11. B 12. C 13. D 14. C 15. A 16. C 41. D 42. B 43. A 44. C 45. A 46. B 47. D 48. B 49. C 50. B 51. A 52. B 77. C 78. C 79. C 80. B 81. D 82. B 83. D 84. A 85. A 86. B 87. D 88. B J m/s N or 2.0 N or 1.9 N N 106. The magnitude of the velocity increases. The block speeds up 107. Ff = ƒfn= (.200) (780. N) = 156 N 17. D 53. C 89. A 18. B 54. B 90. C 19. A 55. D 91. C 20. C 56. B 92. C 21. B 57. A 93. C 22. D 58. D 94. D 23. C 59. C 95. C 24. A 60. A 96. B 25. C 61. B 97. C 26. B 62. B A 63. C 28. D 64. B 29. A 65. A 30. B 31. B 66. C 67. D C 68. C 33. C 69. D 34. B 70. B 35. C 71. B 36. B 72. C
8. As a cart travels around a horizontal circular track, the cart must undergo a change in (1) velocity (3) speed (2) inertia (4) weight
1. What is the average speed of an object that travels 6.00 meters north in 2.00 seconds and then travels 3.00 meters east in 1.00 second? 9.00 m/s 3.00 m/s 0.333 m/s 4.24 m/s 2. What is the distance traveled
More informationC B A T 3 T 2 T 1. 1. What is the magnitude of the force T 1? A) 37.5 N B) 75.0 N C) 113 N D) 157 N E) 192 N
Three boxes are connected by massless strings and are resting on a frictionless table. Each box has a mass of 15 kg, and the tension T 1 in the right string is accelerating the boxes to the right at a
More informationTEACHER ANSWER KEY November 12, 2003. Phys  Vectors 11132003
Phys  Vectors 11132003 TEACHER ANSWER KEY November 12, 2003 5 1. A 1.5kilogram lab cart is accelerated uniformly from rest to a speed of 2.0 meters per second in 0.50 second. What is the magnitude
More informationB) 286 m C) 325 m D) 367 m Answer: B
Practice Midterm 1 1) When a parachutist jumps from an airplane, he eventually reaches a constant speed, called the terminal velocity. This means that A) the acceleration is equal to g. B) the force of
More informationChapter 7: Momentum and Impulse
Chapter 7: Momentum and Impulse 1. When a baseball bat hits the ball, the impulse delivered to the ball is increased by A. follow through on the swing. B. rapidly stopping the bat after impact. C. letting
More informationPhysics 2A, Sec B00: Mechanics  Winter 2011 Instructor: B. Grinstein Final Exam
Physics 2A, Sec B00: Mechanics  Winter 2011 Instructor: B. Grinstein Final Exam INSTRUCTIONS: Use a pencil #2 to fill your scantron. Write your code number and bubble it in under "EXAM NUMBER;" an entry
More informationSteps to Solving Newtons Laws Problems.
Mathematical Analysis With Newtons Laws similar to projectiles (x y) isolation Steps to Solving Newtons Laws Problems. 1) FBD 2) Axis 3) Components 4) Fnet (x) (y) 5) Subs 1 Visual Samples F 4 1) F 3 F
More information10.1 Quantitative. Answer: A Var: 50+
Chapter 10 Energy and Work 10.1 Quantitative 1) A child does 350 J of work while pulling a box from the ground up to his tree house with a rope. The tree house is 4.8 m above the ground. What is the mass
More informationChapter 07 Test A. Name: Class: Date: Multiple Choice Identify the choice that best completes the statement or answers the question.
Class: Date: Chapter 07 Test A Multiple Choice Identify the choice that best completes the statement or answers the question. 1. An example of a vector quantity is: a. temperature. b. length. c. velocity.
More informationPhysics: Principles and Applications, 6e Giancoli Chapter 4 Dynamics: Newton's Laws of Motion
Physics: Principles and Applications, 6e Giancoli Chapter 4 Dynamics: Newton's Laws of Motion Conceptual Questions 1) Which of Newton's laws best explains why motorists should buckleup? A) the first law
More informationExam 2 is at 7 pm tomorrow Conflict is at 5:15 pm in 151 Loomis
* By request, but I m not vouching for these since I didn t write them Exam 2 is at 7 pm tomorrow Conflict is at 5:15 pm in 151 Loomis There are extra office hours today & tomorrow Lots of practice exams
More informationSHORT ANSWER. Write the word or phrase that best completes each statement or answers the question.
Exam Name SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question. 1) A person on a sled coasts down a hill and then goes over a slight rise with speed 2.7 m/s.
More informationThe University of the State of New York REGENTS HIGH SCHOOL EXAMINATION PHYSICAL SETTING PHYSICS. Wednesday, June 17, 2015 1:15 to 4:15 p.m.
P.S./PHYSICS The University of the State of New York REGENTS HIGH SCHOOL EXAMINATION PHYSICAL SETTING PHYSICS Wednesday, June 17, 2015 1:15 to 4:15 p.m., only The possession or use of any communications
More informationP211 Midterm 2 Spring 2004 Form D
1. An archer pulls his bow string back 0.4 m by exerting a force that increases uniformly from zero to 230 N. The equivalent spring constant of the bow is: A. 115 N/m B. 575 N/m C. 1150 N/m D. 287.5 N/m
More informationAt the skate park on the ramp
At the skate park on the ramp 1 On the ramp When a cart rolls down a ramp, it begins at rest, but starts moving downward upon release covers more distance each second When a cart rolls up a ramp, it rises
More informationChapter 4: Newton s Laws: Explaining Motion
Chapter 4: Newton s Laws: Explaining Motion 1. All except one of the following require the application of a net force. Which one is the exception? A. to change an object from a state of rest to a state
More informationLecture 07: Work and Kinetic Energy. Physics 2210 Fall Semester 2014
Lecture 07: Work and Kinetic Energy Physics 2210 Fall Semester 2014 Announcements Schedule next few weeks: 9/08 Unit 3 9/10 Unit 4 9/15 Unit 5 (guest lecturer) 9/17 Unit 6 (guest lecturer) 9/22 Unit 7,
More informationReview Assessment: Lec 02 Quiz
COURSES > PHYSICS GUEST SITE > CONTROL PANEL > 1ST SEM. QUIZZES > REVIEW ASSESSMENT: LEC 02 QUIZ Review Assessment: Lec 02 Quiz Name: Status : Score: Instructions: Lec 02 Quiz Completed 20 out of 100 points
More informationPractice final for Basic Physics spring 2005 answers on the last page Name: Date:
Practice final for Basic Physics spring 2005 answers on the last page Name: Date: 1. A 12 ohm resistor and a 24 ohm resistor are connected in series in a circuit with a 6.0 volt battery. Assuming negligible
More informationSupplemental Questions
Supplemental Questions The fastest of all fishes is the sailfish. If a sailfish accelerates at a rate of 14 (km/hr)/sec [fwd] for 4.7 s from its initial velocity of 42 km/h [fwd], what is its final velocity?
More informationPHY121 #8 Midterm I 3.06.2013
PHY11 #8 Midterm I 3.06.013 AP Physics Newton s Laws AP Exam Multiple Choice Questions #1 #4 1. When the frictionless system shown above is accelerated by an applied force of magnitude F, the tension
More informationPotential / Kinetic Energy Remedial Exercise
Potential / Kinetic Energy Remedial Exercise This Conceptual Physics exercise will help you in understanding the Law of Conservation of Energy, and its application to mechanical collisions. Exercise Roles:
More informationSerway_ISM_V1 1 Chapter 4
Serway_ISM_V1 1 Chapter 4 ANSWERS TO MULTIPLE CHOICE QUESTIONS 1. Newton s second law gives the net force acting on the crate as This gives the kinetic friction force as, so choice (a) is correct. 2. As
More information5. Forces and MotionI. Force is an interaction that causes the acceleration of a body. A vector quantity.
5. Forces and MotionI 1 Force is an interaction that causes the acceleration of a body. A vector quantity. Newton's First Law: Consider a body on which no net force acts. If the body is at rest, it will
More informationExam Three Momentum Concept Questions
Exam Three Momentum Concept Questions Isolated Systems 4. A car accelerates from rest. In doing so the absolute value of the car's momentum changes by a certain amount and that of the Earth changes by:
More informationLesson 3  Understanding Energy (with a Pendulum)
Lesson 3  Understanding Energy (with a Pendulum) Introduction This lesson is meant to introduce energy and conservation of energy and is a continuation of the fundamentals of roller coaster engineering.
More information8. Potential Energy and Conservation of Energy Potential Energy: When an object has potential to have work done on it, it is said to have potential
8. Potential Energy and Conservation of Energy Potential Energy: When an object has potential to have work done on it, it is said to have potential energy, e.g. a ball in your hand has more potential energy
More informationFundamental Mechanics: Supplementary Exercises
Phys 131 Fall 2015 Fundamental Mechanics: Supplementary Exercises 1 Motion diagrams: horizontal motion A car moves to the right. For an initial period it slows down and after that it speeds up. Which of
More informationKinetic Energy (A) stays the same stays the same (B) increases increases (C) stays the same increases (D) increases stays the same.
1. A cart full of water travels horizontally on a frictionless track with initial velocity v. As shown in the diagram, in the back wall of the cart there is a small opening near the bottom of the wall
More informationChapter 9. particle is increased.
Chapter 9 9. Figure 936 shows a three particle system. What are (a) the x coordinate and (b) the y coordinate of the center of mass of the three particle system. (c) What happens to the center of mass
More informationPhysics Notes Class 11 CHAPTER 3 MOTION IN A STRAIGHT LINE
1 P a g e Motion Physics Notes Class 11 CHAPTER 3 MOTION IN A STRAIGHT LINE If an object changes its position with respect to its surroundings with time, then it is called in motion. Rest If an object
More informationProblem Set #8 Solutions
MASSACHUSETTS INSTITUTE OF TECHNOLOGY Physics Department 8.01L: Physics I November 7, 2015 Prof. Alan Guth Problem Set #8 Solutions Due by 11:00 am on Friday, November 6 in the bins at the intersection
More informationSpeed A B C. Time. Chapter 3: Falling Objects and Projectile Motion
Chapter 3: Falling Objects and Projectile Motion 1. Neglecting friction, if a Cadillac and Volkswagen start rolling down a hill together, the heavier Cadillac will get to the bottom A. before the Volkswagen.
More informationEnergy  Key Vocabulary
Energy  Key Vocabulary Term Potential Energy Kinetic Energy Joules Gravity Definition The energy an object possesses due to its position. PE = mgh The energy an object possesses when it is in motion.
More informationHW Set II page 1 of 9 PHYSICS 1401 (1) homework solutions
HW Set II page 1 of 9 450 When a large star becomes a supernova, its core may be compressed so tightly that it becomes a neutron star, with a radius of about 20 km (about the size of the San Francisco
More informationExam 1 Review Questions PHY 2425  Exam 1
Exam 1 Review Questions PHY 2425  Exam 1 Exam 1H Rev Ques.doc  1  Section: 1 7 Topic: General Properties of Vectors Type: Conceptual 1 Given vector A, the vector 3 A A) has a magnitude 3 times that
More informationNewton s Law of Motion
chapter 5 Newton s Law of Motion Static system 1. Hanging two identical masses Context in the textbook: Section 5.3, combination of forces, Example 4. Vertical motion without friction 2. Elevator: Decelerating
More informationForce Concept Inventory
Revised form 081695R Force Concept Inventory Originally published in The Physics Teacher, March 1992 by David Hestenes, Malcolm Wells, and Gregg Swackhamer Revised August 1995 by Ibrahim Halloun, Richard
More informationThe Grange School Maths Department. Mechanics 1 OCR Past Papers
The Grange School Maths Department Mechanics 1 OCR Past Papers June 2005 2 1 A light inextensible string has its ends attached to two fixed points A and B. The point A is vertically above B. A smooth ring
More information83 Dot Products and Vector Projections
83 Dot Products and Vector Projections Find the dot product of u and v Then determine if u and v are orthogonal 1u =, u and v are not orthogonal 2u = 3u =, u and v are not orthogonal 6u = 11i + 7j; v
More informationChapter 7 Momentum and Impulse
Chapter 7 Momentum and Impulse Collisions! How can we describe the change in velocities of colliding football players, or balls colliding with bats?! How does a strong force applied for a very short time
More informationChapter 3.8 & 6 Solutions
Chapter 3.8 & 6 Solutions P3.37. Prepare: We are asked to find period, speed and acceleration. Period and frequency are inverses according to Equation 3.26. To find speed we need to know the distance traveled
More informationMULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
Exam Name MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Solve the problem. (Use g = 9.8 m/s2.) 1) A 21 kg box must be slid across the floor. If
More informationMidterm Solutions. mvr = ω f (I wheel + I bullet ) = ω f 2 MR2 + mr 2 ) ω f = v R. 1 + M 2m
Midterm Solutions I) A bullet of mass m moving at horizontal velocity v strikes and sticks to the rim of a wheel a solid disc) of mass M, radius R, anchored at its center but free to rotate i) Which of
More informationName DATE Per TEST REVIEW. 2. A picture that shows how two variables are related is called a.
Name DATE Per Completion Complete each statement. TEST REVIEW 1. The two most common systems of standardized units for expressing measurements are the system and the system. 2. A picture that shows how
More informationPhysics Midterm Review Packet January 2010
Physics Midterm Review Packet January 2010 This Packet is a Study Guide, not a replacement for studying from your notes, tests, quizzes, and textbook. Midterm Date: Thursday, January 28 th 8:1510:15 Room:
More information2After completing this chapter you should be able to
After completing this chapter you should be able to solve problems involving motion in a straight line with constant acceleration model an object moving vertically under gravity understand distance time
More informationACTIVITY BASED PHYSICS
ACTIVITY BASED PHYSICS MECHANICS PRACTICE PROBLEM SETS SOUTHINGTON HIGH SCHOOL CCP PHYSICS MECHANICS PRACTICE PROBLEM SET TABLE OF CONTENTS UNIT 2 KINEMATICS... 6 2.1 One Dimensional Motion... 6 2.2 Freefall...
More informationTIME OF COMPLETION DEPARTMENT OF NATURAL SCIENCES. PHYS 1111, Exam 2 Section 1 Version 1 October 30, 2002 Total Weight: 100 points
TIME OF COMPLETION NAME DEPARTMENT OF NATURAL SCIENCES PHYS 1111, Exam 2 Section 1 Version 1 October 30, 2002 Total Weight: 100 points 1. Check your examination for completeness prior to starting. There
More informationProjectile Motion 1:Horizontally Launched Projectiles
A cannon shoots a clown directly upward with a speed of 20 m/s. What height will the clown reach? How much time will the clown spend in the air? Projectile Motion 1:Horizontally Launched Projectiles Two
More informationPS6.2 Explain the factors that determine potential and kinetic energy and the transformation of one to the other.
PS6.1 Explain how the law of conservation of energy applies to the transformation of various forms of energy (including mechanical energy, electrical energy, chemical energy, light energy, sound energy,
More informationName Class Date. You do twice as much work. b. You lift two identical books one meter above the ground.
Exercises 9.1 Work (pages 145 146) 1. Circle the letter next to the correct mathematical equation for work. work = force distance work = distance force c. work = force distance d. work = force distance
More informationHW Set VI page 1 of 9 PHYSICS 1401 (1) homework solutions
HW Set VI page 1 of 9 1030 A 10 g bullet moving directly upward at 1000 m/s strikes and passes through the center of mass of a 5.0 kg block initially at rest (Fig. 1033 ). The bullet emerges from the
More informationScalar versus Vector Quantities. Speed. Speed: Example Two. Scalar Quantities. Average Speed = distance (in meters) time (in seconds) v =
Scalar versus Vector Quantities Scalar Quantities Magnitude (size) 55 mph Speed Average Speed = distance (in meters) time (in seconds) Vector Quantities Magnitude (size) Direction 55 mph, North v = Dx
More informationPhysics Kinematics Model
Physics Kinematics Model I. Overview Active Physics introduces the concept of average velocity and average acceleration. This unit supplements Active Physics by addressing the concept of instantaneous
More informationVersion A Page 1. 1. The diagram shows two bowling balls, A and B, each having a mass of 7.00 kilograms, placed 2.00 meters apart.
Physics Unit Exam, Kinematics 1. The diagram shows two bowling balls, A and B, each having a mass of 7.00 kilograms, placed 2.00 meters apart. What is the magnitude of the gravitational force exerted by
More informationAP Physics B Practice Workbook Book 1 Mechanics, Fluid Mechanics and Thermodynamics
AP Physics B Practice Workbook Book 1 Mechanics, Fluid Mechanics and Thermodynamics. The following( is applicable to this entire document copies for student distribution for exam preparation explicitly
More informationACTIVITY BASED PHYSICS
ACTIVITY BASED PHYSICS MECHANICS PRACTICE PROBLEM SETS SOUTHINGTON HIGH SCHOOL CCP PHYSICS MECHANICS PRACTICE PROBLEM SET TABLE OF CONTENTS UNIT 2 KINEMATICS... 6 2.1 One Dimensional Motion... 6 2.2 Freefall...
More informationSQA Higher Physics Unit 1 Mechanics and Properties of Matter
SCHOLAR Study Guide SQA Higher Physics Unit 1 Mechanics and Properties of Matter John McCabe St Aidan s High School Andrew Tookey HeriotWatt University Campbell White Tynecastle High School HeriotWatt
More informationDISPLACEMENT & VELOCITY
PHYSICS HOMEWORK #1 DISPLACEMENT & VELOCITY KINEMATICS d v average t v ins d t verysmall / error d t d t v a ave t 1. You walk exactly 50 steps North, turn around, and then walk exactly 400 steps South.
More informationState Newton's second law of motion for a particle, defining carefully each term used.
5 Question 1. [Marks 20] An unmarked police car P is, travelling at the legal speed limit, v P, on a straight section of highway. At time t = 0, the police car is overtaken by a car C, which is speeding
More informationLecture 6. Weight. Tension. Normal Force. Static Friction. Cutnell+Johnson: 4.84.12, second half of section 4.7
Lecture 6 Weight Tension Normal Force Static Friction Cutnell+Johnson: 4.84.12, second half of section 4.7 In this lecture, I m going to discuss four different kinds of forces: weight, tension, the normal
More informationThe Big Idea. Key Concepts
The Big Idea Acceleration is caused by force. All forces come in pairs because they arise in the interaction of two objects you can t hit without being hit back! The more force applied, the greater the
More informationEDUH 1017  SPORTS MECHANICS
4277(a) Semester 2, 2011 Page 1 of 9 THE UNIVERSITY OF SYDNEY EDUH 1017  SPORTS MECHANICS NOVEMBER 2011 Time allowed: TWO Hours Total marks: 90 MARKS INSTRUCTIONS All questions are to be answered. Use
More information4 Gravity: A Force of Attraction
CHAPTER 1 SECTION Matter in Motion 4 Gravity: A Force of Attraction BEFORE YOU READ After you read this section, you should be able to answer these questions: What is gravity? How are weight and mass different?
More informationGravitational Potential Energy
Gravitational Potential Energy Consider a ball falling from a height of y 0 =h to the floor at height y=0. A net force of gravity has been acting on the ball as it drops. So the total work done on the
More informationPhysics 121 Homework Problems, Spring 2014
Physics 121 Homework Problems, Spring 2014 11. Write out your solution to all parts of this problem neatly on a piece of 8.5 11inch paper and turn it in at the slotted boxes across the hallway from N373
More informationAP Physics: Rotational Dynamics 2
Name: Assignment Due Date: March 30, 2012 AP Physics: Rotational Dynamics 2 Problem A solid cylinder with mass M, radius R, and rotational inertia 1 2 MR2 rolls without slipping down the inclined plane
More informationChapter #7 Giancoli 6th edition Problem Solutions
Chapter #7 Giancoli 6th edition Problem Solutions ü Problem #8 QUESTION: A 9300 kg boxcar traveling at 5.0 m/s strikes a second boxcar at rest. The two stick together and move off with a speed of 6.0 m/s.
More informationChapter 8: Potential Energy and Conservation of Energy. Work and kinetic energy are energies of motion.
Chapter 8: Potential Energy and Conservation of Energy Work and kinetic energy are energies of motion. Consider a vertical spring oscillating with mass m attached to one end. At the extreme ends of travel
More information2008 FXA DERIVING THE EQUATIONS OF MOTION 1. Candidates should be able to :
Candidates should be able to : Derive the equations of motion for constant acceleration in a straight line from a velocitytime graph. Select and use the equations of motion for constant acceleration in
More informationVELOCITY, ACCELERATION, FORCE
VELOCITY, ACCELERATION, FORCE velocity Velocity v is a vector, with units of meters per second ( m s ). Velocity indicates the rate of change of the object s position ( r ); i.e., velocity tells you how
More informationMomentum & Energy Extra Study Questions
Momentum & Energy Extra Study Questions Short Answer 1. What is the momentum of a 1000 kg car moving at 15 m/s [E]? 2. Calculate the momentum of each of the following objects. (a) a 0.50 kg ball thrown
More informationXX. Introductory Physics, High School
XX. Introductory Physics, High School High School Introductory Physics Test The spring 2013 high school Introductory Physics test was based on learning standards in the Physics content strand of the Massachusetts
More informationF f v 1 = c100(10 3 ) m h da 1h 3600 s b =
14 11. The 2Mg car has a velocity of v 1 = 100km>h when the v 1 100 km/h driver sees an obstacle in front of the car. It takes 0.75 s for him to react and lock the brakes, causing the car to skid. If
More informationB Answer: neither of these. Mass A is accelerating, so the net force on A must be nonzero Likewise for mass B.
CTA1. An Atwood's machine is a pulley with two masses connected by a string as shown. The mass of object A, m A, is twice the mass of object B, m B. The tension T in the string on the left, above mass
More informationWhat is Energy? What is the relationship between energy and work?
What is Energy? What is the relationship between energy and work? Compare kinetic and potential energy What are the different types of energy? What is energy? Energy is the ability to do work. Great, but
More informationFree Fall: Observing and Analyzing the Free Fall Motion of a Bouncing PingPong Ball and Calculating the Free Fall Acceleration (Teacher s Guide)
Free Fall: Observing and Analyzing the Free Fall Motion of a Bouncing PingPong Ball and Calculating the Free Fall Acceleration (Teacher s Guide) 2012 WARD S Science v.11/12 OVERVIEW Students will measure
More informationSection 15.1 Energy and Its Forms (pages 446 452)
Section 15.1 and Its Forms (pages 446 452) This section describes how energy and work are related. It defines kinetic energy and potential energy, and gives examples for calculating these forms of energy.
More informationConservation of Momentum and Energy
Conservation of Momentum and Energy OBJECTIVES to investigate simple elastic and inelastic collisions in one dimension to study the conservation of momentum and energy phenomena EQUIPMENT horizontal dynamics
More informationL9 Conservation of Energy, Friction and Circular Motion. Kinetic energy. conservation of energy. Potential energy. Up and down the track
L9 Conseration of Energy, Friction and Circular Motion Kinetic energy, potential energy and conseration of energy What is friction and what determines how big it is? Friction is what keeps our cars moing
More information5. Unable to determine. 6. 4 m correct. 7. None of these. 8. 1 m. 9. 1 m. 10. 2 m. 1. 1 m/s. 2. None of these. 3. Unable to determine. 4.
Version PREVIEW B One D Kine REVIEW burke (1111) 1 This printout should have 34 questions. Multiplechoice questions may continue on the next column or page find all choices before answering. Jogging
More information1 of 7 9/5/2009 6:12 PM
1 of 7 9/5/2009 6:12 PM Chapter 2 Homework Due: 9:00am on Tuesday, September 8, 2009 Note: To understand how points are awarded, read your instructor's Grading Policy. [Return to Standard Assignment View]
More informationState Newton's second law of motion for a particle, defining carefully each term used.
5 Question 1. [Marks 28] An unmarked police car P is, travelling at the legal speed limit, v P, on a straight section of highway. At time t = 0, the police car is overtaken by a car C, which is speeding
More informationGeneral Physical Science
General Physical Science Chapter 4 Work and Energy Work The work done by a constant force F acting upon an object is the product of the magnitude of the force (or component of the force) and the parallel
More information3600 s 1 h. 24 h 1 day. 1 day
Week 7 homework IMPORTANT NOTE ABOUT WEBASSIGN: In the WebAssign versions of these problems, various details have been changed, so that the answers will come out differently. The method to find the solution
More informationWork, Power, and Energy: Explaining the causes of motion without Newton. KIN335 Spring 2005
Work, Power, and Energy: Explaining the causes of motion without Newton KIN335 Spring 2005 What you should know Definition of work and its characteristics Definition of energy (including kinetic energy
More informationForces. When an object is pushed or pulled, we say that a force is exerted on it.
Forces When an object is pushed or pulled, we say that a force is exerted on it. Forces can Cause an object to start moving Change the speed of a moving object Cause a moving object to stop moving Change
More informationXX. Introductory Physics, High School
XX. Introductory Physics, High School High School Introductory Physics Test The spring 2014 high school Introductory Physics test was based on learning standards in the Introductory Physics content strand
More informationObjective: Work Done by a Variable Force Work Done by a Spring. Homework: Assignment (125) Do PROBS # (64, 65) Ch. 6, + Do AP 1986 # 2 (handout)
Double Date: Objective: Work Done by a Variable Force Work Done by a Spring Homework: Assignment (125) Do PROBS # (64, 65) Ch. 6, + Do AP 1986 # 2 (handout) AP Physics B Mr. Mirro Work Done by a Variable
More informationRoanoke Pinball Museum Key Concepts
Roanoke Pinball Museum Key Concepts What are Pinball Machines Made of? SOL 3.3 Many different materials are used to make a pinball machine: 1. Steel: The pinball is made of steel, so it has a lot of mass.
More informationThe University of the State of New York REGENTS HIGH SCHOOL EXAMINATION PHYSICAL SETTING PHYSICS. Wednesday, June 13, 2012 1:15 to 4:15 p.m.
P.S./PHYSICS The University of the State of New York REGENTS HIGH SCHOOL EXAMINATION PHYSICAL SETTING PHYSICS Wednesday, June 13, 2012 1:15 to 4:15 p.m., only Answer all questions in all parts of this
More informationMechanics 1: Conservation of Energy and Momentum
Mechanics : Conservation of Energy and Momentum If a certain quantity associated with a system does not change in time. We say that it is conserved, and the system possesses a conservation law. Conservation
More informationAP1 Dynamics. Answer: (D) foot applies 200 newton force to nose; nose applies an equal force to the foot. Basic application of Newton s 3rd Law.
1. A mixed martial artist kicks his opponent in the nose with a force of 200 newtons. Identify the actionreaction force pairs in this interchange. (A) foot applies 200 newton force to nose; nose applies
More informationPage Topic Further Support Materials
This booklet will discuss some of the principles involved in the design of a roller coaster. It is intended for the middle or high school teacher. Physics students may find the information helpful as well.
More informationChapter 11 Equilibrium
11.1 The First Condition of Equilibrium The first condition of equilibrium deals with the forces that cause possible translations of a body. The simplest way to define the translational equilibrium of
More informationReview Vocabulary force: a push or a pull. Vocabulary Newton s third law of motion
Standard 7.3.17: Investigate that an unbalanced force, acting on an object, changes its speed or path of motion or both, and know that if the force always acts toward the same center as the object moves,
More informationAnswer the following questions by marking the BEST answer choice on the answer sheet
Answer the following questions by marking the BEST answer choice on the answer sheet 1. What is the average speed of a car that travels a total distance of 320 meters in 2.6 minutes? a. 2.1 m/s b. 120
More informationW i f(x i ) x. i=1. f(x i ) x = i=1
Work Force If an object is moving in a straight line with position function s(t), then the force F on the object at time t is the product of the mass of the object times its acceleration. F = m d2 s dt
More information