15.2 s how long is the slope? Assume that frictional forces may be neglected.


 Byron Bishop
 8 months ago
 Views:
Transcription
1 FLEX Physical Science AP Physics C Mechanics  Midterm 1) If you set the cruise control of your car to a certain speed and take a turn, the speed of the car will remain the same. Is the car accelerating? A) Yes B) No 2) A fish weighing 16 N is weighed using two spring scales, each of negligible weight, as shown in the figure. What will be the readings of the scales? 1) 2) A) Each scale will read 8 N. B) The bottom scale will read 16 N, and the top scale will read zero. C) The scales will have different readings, but the sum of the two readings will be 16 N. D) Each scale will read 16 N. E) The top scale will read 16 N, and the bottom scale will read zero. 3) A child on a sled starts from rest at the top of a 15 slope. If the trip to the bottom takes 15.2 s how long is the slope? Assume that frictional forces may be neglected. A) 147 m B) 293 m C) 586 m D) 1130 m 4) The figure shows two forces acting on an object, with magnitudes F 1 = 78 N and F 2 = 26 N.What third force will cause the object to be in equilibrium (acceleration equals zero)? 3) 4) A) 52 N pointing up B) 82 N pointing down C) 82 N pointing up D) 52 N pointing down 1
2 5) Two blocks are connected by a string that goes over an ideal pulley as shown in the figure. Block A has a mass of 3.00 kg and can slide over a rough plane inclined 30.0 to the horizontal. The coefficient of kinetic friction between block A and the plane is Block B has a mass of 2.77 kg. What is the acceleration of the blocks? 5) A) 5.35 m/s2 B) 1.96 m/s2 C) 0.00 m/s2 D) 3.12 m/s2 E) m/s2 6) A roadway for stunt drivers is designed for racecars moving at a speed of 40 m/s. A curved section of the roadway is a circular arc of 230 m radius. The roadway is banked so that a vehicle can go around the curve with the friction force from the road equal to zero. At what angle is the roadway banked? A) 31 B) 33 C) 35 D) 29 E) 37 6) 2
3 7) Three objects are connected by massless wires over a massless frictionless pulley as shown in the figure. The tension in the wire connecting the 10.0kg and 15.0kg objects is measured to be 133 N. What is the mass M? 7) A) 35.0 kg B) 33.9 kg C) 95.0 kg D) 8.33 kg E) 52.8 kg 8) A 60.0kg person rides in an elevator while standing on a scale. The scale reads 400 N. The acceleration of the elevator is closest to A) 6.67 m/s2 downward. B) 9.80 m/s2 downward. C) 6.67 m/s2 upward. D) 3.13 m/s2 downward. E) zero. 8) 3
4 SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question. 9) Two boxes are connected by a weightless cord running over a very light frictionless pulley as shown in the figure. Box A, of mass 8.0 kg, is initially at rest on the top of the table. The coefficient of kinetic friction between box A and the table is Box B has a mass of 15.0 kg, and the system begins to move just after it is released. 9) (a) Draw the freebody diagrams for each of the boxes, identifying all of the forces acting on each one. (b) Calculate the acceleration of each box. (c) What is the tension in the cord? 10) A person is dragging a packing crate of mass 100 kg across a rough horizontal floor where the coefficient of kinetic friction is He exerts a force F sufficient to accelerate the crate forward. At what angle above horizontal should his pulling force be directed in order to achieve the maximum acceleration? A) 34.5 B) 30 C) 27.7 D) 21.8 E) 45 11) Engineers are designing a curved section of a highway. If the radius of curvature of the curve is 194 m, at what angle should the curve be banked so that a car traveling at 29.0 m/s will stay on the road without the aid of frictional forces? A) 26.1 B) 16.7 C) 21.0 D) ) A factory robot drops a 10 kg computer onto a conveyor belt running at 3.1 m/s. The materials are such that s = 0.50 and k = 0.30 between the belt and the computer. How far is the computer dragged before it is riding smoothly on the belt? A) 1.6 m B) 2.3 m C) 0.98 m D) 3.0 m 10) 11) 12) 4
5 SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question. 13) The figure shows a graph of the acceleration of a 125g object as a function of the net force acting on it. What is the acceleration at points A and B? 13) 14) You are standing in a moving bus, facing forward, and you suddenly fall forward as the bus comes to an immediate stop. The force acting on you that causes you to fall forward is A) the normal force due to your contact with the floor of the bus. B) the force due to kinetic friction between you and the floor of the bus. C) the force due to static friction between you and the floor of the bus. D) the force of gravity. E) No forces were acting on you to cause you to fall. 15) A dog is standing in the bed of a pickup truck. The bed is coated with ice, causing the force of friction between the dog and the truck to be zero. The truck is initially at rest, and then accelerates to the right, moving along a flat road. As seen from a stationary observer (watching the truck move to the right), the dog A) does not move left or right, but the back of the truck moves towards the dog. B) moves to the left, as the truck moves to the right, causing the dog to slide towards the back of the truck. C) moves to the right at the same rate as the truck, so it doesn't slide. D) moves to the right, but not as quickly as the truck is moving to the right, causing it to slide towards the back of the truck. 14) 15) 5
6 16) A stalled car is being pushed up a hill at constant velocity by three people. The net force on the car is A) up the hill and greater than the weight of the car. B) down the hill and greater than the weight of the car. C) zero. D) down the hill and equal to the weight of the car. E) up the hill and equal to the weight of the car. 17) In order to lift a bucket of concrete, you must pull up harder on the bucket than it pulls down on you. A) True B) False 18) A 20ton truck collides with a 1500lb car and causes a lot of damage to the car. During the collision A) the force on the truck due to the collision is slightly greater than the force on the car. B) the force on the car due to the collision is much greater than the force on the truck. C) the force of on the truck due to the collision is exactly equal to the force on the car. D) the car and the truck have the same magnitude acceleration. 19) Two forces act on a 55kg object. One force has magnitude 65 N directed 59 clockwise from the positive xaxis, and the other has a magnitude 35 N at 32 clockwise from the positive yaxis. What is the magnitude of this object's acceleration? A) 1.7 m/s2 B) 1.3 m/s2 C) 1.5 m/s2 D) 1.1 m/s2 20) The figure shows a graph of the acceleration of an object as a function of the net force acting on it. The mass of this object, in grams, is closest to 16) 17) 18) 19) 20) A) B) 11. C) 130. D) 89. 6
7 SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question. 21) A block lies on a horizontal frictionless surface. A horizontal force of 100 N is applied to the block giving rise to an acceleration of 3.0 m/s2. (a) Determine the mass of the block. (b) Calculate the distance the block will travel if the force is applied for 10 s. (c) Calculate the speed of the block after the force has been applied for 10 s. 21) 22) A monkey is sitting at the top of a tree 20 m above ground level. A person standing on the ground wants to feed the monkey. He uses a bow and arrow to launch the food to the monkey. If the person knows that the monkey is going to drop from the tree at the same instant that the person launches the food, how should the person aim the arrow containing the food? Air resistance is small enough to be ignored. A) He should aim it below the monkey. B) He should aim it above the monkey. C) He should aim it at the monkey. 22) SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question. 23) A child throws a ball with an initial speed of 8.00 m/s at an angle of 40.0 above the horizontal. The ball leaves her hand 1.00 m above the ground and experience negligible air resistance. (a) How far from where the child is standing does the ball hit the ground? (b) How long is the ball in flight before it hits the ground? 23) 24) An electron moves with a constant horizontal velocity of m/s and no initial vertical velocity as it enters a deflector inside a TV tube. The electron strikes the screen after traveling 17.0 cm horizontally and 40.0 cm vertically upward with no horizontal acceleration. What is the constant vertical acceleration provided by the deflector? (The effects of gravity can be ignored.) A) m/s2 B) m/s2 C) m/s2 D) m/s2 24) SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question. 25) The horizontal coordinates of a Frisbee TM in a strong wind are given by x = 12t + 4t 2 and y = 10t  3t 2, where x and y are in meters, and t is in seconds. (a) What is the acceleration of the Frisbee? Give a magnitude and a direction, measuring angles from the positive x direction. (b) What is the magnitude of the velocity at t = 2.0 s, accurate to the nearest m/s? 25) 7
8 26) A catapult is tested by Roman legionnaires. They tabulate the results in a papyrus and 2000 years later the archaeological team reads (distances translated into modern units): Range = 0.20 km; angle of launch = /4; landing height = launch height. What is the initial velocity of launch of the boulders if air resistance is negligible? A) 0.69 m/s B) 22 m/s C) 1.4 m/s D) 44 m/s 27) A ball is thrown at a 60.0 angle above the horizontal across level ground. It is thrown from a height of 2.00 m above the ground with a speed of 20.0 m/s and experiences no appreciable air resistance. The time the ball remains in the air before striking the ground is closest to A) 3.32 s. B) 3.53 s. C) 3.64 s. D) 16.2 s. E) 3.07 s. 28) A plane flies directly between two cities, A and B, which are separated by 2300 mi. From A to B, the plane flies into a 65 mi/h headwind. On the return trip from B to A, the wind velocity is unchanged. The trip from B to A takes 65 min less than the trip from A to B. What is the airspeed of the plane, assuming it is the same in both directions? A) 610 mi/h B) 480 mi/h C) 530 mi/h D) 400 mi/h 29) Two particles, A and B, are in uniform circular motion about a common center. The acceleration of particle A is 8.5 times that of particle B. The period of particle B is 2.0 times the period of particle A. The ratio of the radius of the motion of particle A to that of particle B is closest to A) ra/rb = 2.1. B) ra/rb = 17. C) ra/rb = 4.3. D) ra/rb = E) ra/rb = ) A pilot drops a package from a plane flying horizontally at a constant speed. Neglecting air resistance, when the package hits the ground the horizontal location of the plane will A) depend of the speed of the plane when the package was released. B) be over the package. C) be behind the package. D) be in front of the package. 26) 27) 28) 29) 30) 8
9 Answer Key Testname: MIDTERM AP PHYSICS C 1) A 2) D 3) B 4) D 5) E 6) C 7) E 8) D 9) (a) Box A is acted on by the downward force of gravity, the upward normal force due to the table top, the tension in the string toward the right, and the force of friction due to the table top toward the left. Box B is acted on by the downward force of gravity and the upward tension of the string. (b) 6.1 m/s2 (c) 56 N 10) D 11) D 12) A 13) A: 16 m/s2, B: 4.0 m/s2 14) E 15) A 16) C 17) B 18) C 19) D 20) C 21) (a) 33 kg (b) 150 m (c) 30 m/s 22) C 23) (a) 7.46 m (b) 1.22 s 24) C 25) (a) 10 m/s 2, 323 (b) 4 m/s 26) D 27) C 28) C 29) A 30) B 9
MULTIPLE 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. 1) The following four forces act on a 4.00 kg object: 1) F 1 = 300 N east F 2 = 700 N north
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) The graph in the figure shows the x component of the acceleration of a 2.4kg object as a
More information9) If the velocity versus time graph of an object is a horizontal line, the object is A) moving with zero acceleration.
1) Which of the following quantities has units of a velocity? (There could be more than one correct choice.) A) 40 km southwest B) 120 m/s C) 9.8 m/s2 downward D) 186,000 mi E) 9.8 m/s downward 2) Suppose
More informationExam 2 PREP Chapters 4 & 5
PHY241  General Physics I Dr. Carlson, Fall 2013 Prep Exam 2 PREP Chapters 4 & 5 Name TRUE/FALSE. Write 'T' if the statement is true and 'F' if the statement is false. 1) If a 5.0 kg box is pulled simultaneously
More information1. One mile is equal to 1609 meters; one hour is equal to 3600 seconds, mph is 1 mile per hour. The speed of 17 m/s is equivalent to the speed of:
Sample Final 105_fall 2009 1. One mile is equal to 1609 meters; one hour is equal to 3600 seconds, mph is 1 mile per hour. The speed of 17 m/s is equivalent to the speed of: A) 17 mph B) 38 mph C) 7.6
More informationFinal Review (F2007) Chapter 2: Describing Motion: Kinematics in One Dimension
Physics I Mechanics Final Review (F2007) Name: ANSWER KEY Chapter 2: Describing Motion: Kinematics in One Dimension 1. Suppose that a car traveling to the East (+x direction) begins to slow down as it
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 informationSHORT ANSWER. Write the word or phrase that best completes each statement or answers the question.
Unit 03  Work, Energy, Power Quantitative Questions Name SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question. 1) An airplane flies 120 km at a constant altitude
More informationB) 40.8 m C) 19.6 m D) None of the other choices is correct. Answer: B
Practice Test 1 1) Abby throws a ball straight up and times it. She sees that the ball goes by the top of a flagpole after 0.60 s and reaches the level of the top of the pole after a total elapsed time
More informationA. 5 m/s B. 1 m/s C. 0 m/s D. 10 m/s E. 2 m/s
SQ1: Carl Lewis set a world record for the 100.0m run with a time of 9.86 s. If, after reaching the finish line, Mr. Lewis walked directly back to his starting point in 90.14 s, what is the magnitude
More information1) Your mass on the moon will be about onesixth of your mass on Earth.
Exam Name TRUE/FALSE. Write 'T' if the statement is true and 'F' if the statement is false. 1) Your mass on the moon will be about onesixth of your mass on Earth. 1) 2) The kinetic coefficient of friction
More informationMULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) If the acceleration of an object is negative, the object must be slowing down. A) True B) False
More informationAP Physics Newton's Laws Practice Test
AP Physics Newton's Laws Practice Test Answers: A,D,C,D,C,E,D,B,A,B,C,C,A,A 15. (b) both are 2.8 m/s 2 (c) 22.4 N (d) 1 s, 2.8 m/s 16. (a) 12.5 N, 3.54 m/s 2 (b) 5.3 kg 1. Two blocks are pushed along a
More informationPhysics 6A MWF Section Winter 2012 Final
Physics 6A MWF Section Winter 2012 Final Enter the answer to the multiple choice questions on the pink scantron sheet. Use a pencil, not a pen. There is no penalty for the wrong answer Write your name
More informationPhysics Final Exam Free Response Section
Physics Final Exam Free Response Section 1. The first 10 meters of a 100meter dash are covered in 2 seconds by a sprinter who starts from rest and accelerates with a constant acceleration. The remaining
More informationZero 3.7 m/s 2, downward 7.4 m/s 2, upward 7.4 m/s 2, downward 3.7 m/s 2, upward
PracticeExam2 1. A plastic ball in a liquid is acted upon by its weight and by a buoyant force. The weight of the ball is 2.5 N. The buoyant force has a magnitude of 4.4 N and acts vertically upward. At
More informationB. the same as that of the lead ball C. less than that of the lead ball D. 9.8 m/s 2 E. zero since it floats in a vacuum
ENGPHY1 QUIZ 2 Force Laws of Motion Circular Motion Other Applications of Newton's Laws MULTIPLE CHOICE 1. Acceleration is always in the direction: A. of the displacement B. of the initial velocity C.
More informationSample Final Examination
Dawson College Physics 203NYA05 Mechanics Sample Final Examination This exam is divided into two parts: Part I: Problems (10 marks each) Solve all seven problems. Show all of your work, clearly and in
More information1 st Semester Review 1980s problems
1 st Semester Review 1980s problems 1980B1. A ball of weight 5 newtons is suspended by two strings as shown above. a. In the space below, draw and clearly label all the forces that act on the ball. b.
More informationMULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) A ball can be rolled down one of four different ramps, as shown below. The final elevation loss
More informationName: Date: PRACTICE QUESTIONS PHYSICS 201 FALL 2009 EXAM 2
Name: Date: PRACTICE QUESTIONS PHYSICS 201 FALL 2009 EXAM 2 1. A force accelerates a body of mass M. The same force applied to a second body produces three times the acceleration. What is the mass of the
More informationPSI AP Physics I Dynamics
PSI AP Physics I Dynamics MultipleChoice questions 1. After firing a cannon ball, the cannon moves in the opposite direction from the ball. This an example of: A. Newton s First Law B. Newton s Second
More informationFORCES AND NEWTON S LAWS OF MOTION
chapter FORCES AND NEWTON S LAWS OF MOTION Section 4.1 The Concepts of Force and Mass Section 4.2 Newton s First Law of Motion Section 4.3 Newton s Second Law of Motion 1. With one exception, each of the
More informationAP* Newton s Laws Free Response Questions
1981 Q1 AP* Newton s Laws Free Response Questions A 10kilogram block is pushed along a rough horizontal surface by a constant horizontal force F as shown above. At time t = 0, the velocity v of the block
More information3 October 2011 PHY 2053 Exam Review 1 NEB 0101 Fall PM
3 October 2011 PHY 2053 Exam Review 1 NEB 0101 Fall 2011 79PM 1. A car traveling at a constant speed starts at point A, goes 50 km in a straight line to point B, immediately turns around, and returns
More informationExam. Name. TRUE/FALSE. Write ʹTʹ if the statement is true and ʹFʹ if the statement is false. 1) Kinetic energy is proportional to speed.
Exam Name TRUE/FALSE. Write ʹTʹ if the statement is true and ʹFʹ if the statement is false. 1) Kinetic energy is proportional to speed. 2) The gravitational force is a conservative force. 3) If work is
More informationF N A) 330 N 0.31 B) 310 N 0.33 C) 250 N 0.27 D) 290 N 0.30 E) 370 N 0.26
Physics 23 Exam 2 Spring 2010 Dr. Alward Page 1 1. A 250N force is directed horizontally as shown to push a 29kg box up an inclined plane at a constant speed. Determine the magnitude of the normal force,
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 informationAP Physics B Unit 2 Test Dynamics/Work/Energy/Momentum Name
AP Physics B Unit 2 Test Dynamics/Work/Energy/Momentum Name 1. The term "mass" refers to the same physical concept as: A) weight B) inertia C) force D) acceleration E) volume 2. When a certain force is
More informationThe Laws of Motion. ANS: a
The Laws of Motion 1. When an object is observed to be at rest relative to an observer in an inertial reference frame, a. the sum of any forces acting on the object is zero. b. there are no forces acting
More informationAP Physics  Chapter 8 Practice Test
AP Physics  Chapter 8 Practice Test Multiple Choice Identify the choice that best completes the statement or answers the question. 1. A single conservative force F x = (6.0x 12) N (x is in m) acts on
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. 1) A container explodes and breaks into three fragments that fly off 120 apart from each
More informationREC. INSTR.. INSTRUCTIONS: PLEASE READ THE FOLLOWING BEFORE YOU START THE EXAM
PHYSICS 111 PRACTICE MIDTERM NAME REC. INSTR.. INSTRUCTIONS: PLEASE READ THE FOLLOWING BEFORE YOU START THE EXAM 1. Write your name and your recitation instructor's name on each page of the exam.. This
More informationPhysics Exam 1 Review  Chapter 1,2
Physics 1401  Exam 1 Review  Chapter 1,2 13. Which of the following is NOT one of the fundamental units in the SI system? A) newton B) meter C) kilogram D) second E) All of the above are fundamental
More informationnewton AP practice Multiple Choice Identify the choice that best completes the statement or answers the question.
newton AP practice Multiple Choice Identify the choice that best completes the statement or answers the question. 1. In the figure, if the tension in string 1 is 34 N and the tension in string 2 is 24
More informationMIDTERM 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
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)
More information1. Unless acted on by an external net force, an object will stay at rest or
1. Unless acted on by an external net force, an object will stay at rest or A. come to rest. B. decelerate at a constant rate. C. slow down from a given speed. D. continue to move in a straight line at
More informationHONORS PHYSICS Dynamics
LESSON OBJECTIVES Students will be able to... SKILLS HONORS PHYSICS Dynamics define force describe Newton s First Law of Motion using inertia identify the criteria of balanced and unbalanced forces distinguish
More informationPHYSICS MIDTERM REVIEW
1. The acceleration due to gravity on the surface of planet X is 19.6 m/s 2. If an object on the surface of this planet weighs 980. newtons, the mass of the object is 50.0 kg 490. N 100. kg 908 N 2. If
More informationPreAP Physics Semester 1 Review
Use the graph to the right to answer the following 4 questions. 1. What type of motion is occurring here? constant velocity 2. What is the location of the object at t = 2s? x = 10m 3. What is the velocity
More informationPSI AP Physics 1 Circular Motion
PSI AP Physics 1 Circular Motion Multiple Choice 1. A ball is fastened to a string and is swung in a vertical circle. When the ball is at the highest point of the circle its velocity and acceleration directions
More information2.2 FORCES AND DYNAMICS STUDENT Notes TENSION
2.2 FORCES AND DYNAMICS STUDENT Notes TENSION 1 NORMAL FORCES DRAG FORCES UPTHRUST 2 FRICTIONAL FORCES 3 A cup of coffee is sitting on a table in a recreational vehicle (RV). The cup slides toward the
More informationChapter 4, The Laws of Motion. 1. Which of the following is an example of the type of force that acts at a distance?
CHAPTER 4 4.1 Forces 4.2 Newton s First Law 4.3 Newton s Second Law 4.4 Newton s Third Law 1. Which of the following is an example of the type of force that acts at a distance? a. gravitational b. magnetic
More informationKinetic Energy and Work
PHYS 101 Previous Exam Problems CHAPTER 7 Kinetic Energy and Work Kinetic energy Work Workenergy theorem Gravitational work Work of spring forces Power 1. A single force acts on a 5.0kg object in such
More information12. A 20kg crate is suspended from a fixed beam by two vertical ropes. What is the tension in each rope? A) 10 N B) 40 N C) 100 N D) 200 N E) 390 N
Name: Date: 1. The surface of a lake has an area of 15.5 km 2. What is the area of the lake in m 2? A) 1.55 10 4 m 2 B) 1.55 10 5 m 2 C) 1.55 10 6 m 2 D) 1.55 10 7 m 2 E) 1.55 10 8 m 2 2. A certain physical
More informationPhysics1 Recitation3
Physics1 Recitation3 The Laws of Motion 1) The displacement of a 2 kg particle is given by x = At 3/2. In here, A is 6.0 m/s 3/2. Find the net force acting on the particle. (Note that the force is time
More informationClicker Question. A. 5 cm B. 10 cm C cm D. 20 cm E. 40 cm
A block of mass m slides with speed v on a frictionless surface. It collides with an ideal spring and compresses it 10 cm before momentarily stopping. What is the max compression if the same mass has speed
More information9. The kinetic energy of the moving object is (1) 5 J (3) 15 J (2) 10 J (4) 50 J
1. If the kinetic energy of an object is 16 joules when its speed is 4.0 meters per second, then the mass of the objects is (1) 0.5 kg (3) 8.0 kg (2) 2.0 kg (4) 19.6 kg Base your answers to questions 9
More informationChapter 5 Using Newton s Laws: Friction, Circular Motion, Drag Forces. Copyright 2009 Pearson Education, Inc.
Chapter 5 Using Newton s Laws: Friction, Circular Motion, Drag Forces Units of Chapter 5 Applications of Newton s Laws Involving Friction Uniform Circular Motion Kinematics Dynamics of Uniform Circular
More information1. Newton s Laws of Motion and their Applications Tutorial 1
1. Newton s Laws of Motion and their Applications Tutorial 1 1.1 On a planet far, far away, an astronaut picks up a rock. The rock has a mass of 5.00 kg, and on this particular planet its weight is 40.0
More informationPhysics 1000 Final Examination. December A) 87 m B) 46 m C) 94 m D) 50 m
Answer all questions. The multiple choice questions are worth 4 marks and problems 10 marks each. 1. You walk 55 m to the north, then turn 60 to your right and walk another 45 m. How far are you from where
More informationPhysics 201 Fall 2009 Exam 2 October 27, 2009
Physics 201 Fall 2009 Exam 2 October 27, 2009 Section #: TA: 1. A mass m is traveling at an initial speed v 0 = 25.0 m/s. It is brought to rest in a distance of 62.5 m by a force of 15.0 N. The mass is
More information1) 0.33 m/s 2. 2) 2 m/s 2. 3) 6 m/s 2. 4) 18 m/s 2 1) 120 J 2) 40 J 3) 30 J 4) 12 J. 1) unchanged. 2) halved. 3) doubled.
Base your answers to questions 1 through 5 on the diagram below which represents a 3.0kilogram mass being moved at a constant speed by a force of 6.0 Newtons. 4. If the surface were frictionless, the
More informationApplying Newton s Laws
Chapter 5 Applying Newton s Laws PowerPoint Lectures for University Physics, Thirteenth Edition Hugh D. Young and Roger A. Freedman Lectures by Wayne Anderson Goals for Chapter 5 To use Newton s first
More informationPhysics 1401 [Chapters 15] Review  Chapter 1,2
Physics 1401 [Chapters 15] Review  Chapter 1,2 13. Which of the following is NOT one of the fundamental units in the SI system? A) newton B) meter C) kilogram D) second E) All of the above are fundamental
More informationUse Newton's second law to determine the normal force acting upon Noah's 80kg body at the top and at the bottom of the loop.
Regents Physics Circular Motion Problems Uniform and otherwise Name: Date: 1.Rex and Doris are out on a date. Rex makes a rapid righthand turn. Doris begins sliding across the vinyl seat and collides
More information2) Draw an x y axis and define the direction you are moving in as the + direction. If not moving, + direction is arbitrary
Solving Dynamics Problems 1) Draw Sketch / FBD with all forces shown 2) Draw an x y axis and define the direction you are moving in as the + direction. If not moving, + direction is arbitrary 3) Write
More informationPhysics 53 Exam #2 October 14, 2009
1. A 5kg block is suspended by a rope from the ceiling of an elevator accelerates downward at 3.0 m/s 2. The tension force of the rope on the block is: A) 15 N, up B) 34 N, up C) 34 N, down D) 64 N, up
More informationMULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
Unit 03  Work, Energy, Power Multiple Choice Concept Questions Name MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) Two men, Joel and Jerry, push
More informationit moving. Jerry stops after 10 min, while Joel is able to push for 5.0 min longer. Compare the work they do on the car.
Exam Name MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) Person X pushes twice as hard against a stationary brick wall as person Y. Which one
More informationPHYSICS 251 MIDTERM EXAM  FALL Student Number
PHYSICS 51 MIDTERM EXAM  FALL 001 Name Student Number CHECK ONE: Smith 9:00 Ingram 10:00 Ingram/Hla :00 Note that problems 110 are worth points each, while problems 1113 are worth 10 points. There is
More informationAP Physics 1 Fall Semester Review
AP Physics 1 Fall Semester Review One Dimensional Kinematics 1. Be able to interpret motion diagrams. a. Assuming there are equal time intervals between each picture shown above, which car in the diagram
More informationPhysics Samples: Q2 Exam Per Date Name
Physics Samples: Q2 Exam Per Date Name 1. According to your reference table, Approximate Coefficents of Friction, what is the minimum horizontal force needed to start a 300. kilogram steel block on a steel
More information4. Using her measured quantities, what must she graph to linearize the graph so that the slope of the line is the acceleration due to gravity?
Linear Kinematics 1. A student wants to determine the height of an unreachable object. The materials available include a protractor and tape for measuring small distances. Describe a procedure that can
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 informationReview sheet. 1. A car accelerates uniformly from rest to a speed of 10 meters per second in 2 seconds. The acceleration of the car is
Name: ate: 1. car accelerates uniformly from rest to a speed of 10 meters per second in 2 seconds. The acceleration of the car is. 0.2 m/sec 2. 5 m/sec 2 5. The graph shown represents the relationship
More information3/10/2017. What Is a Force? What Is a Force? Tactics: Drawing Force Vectors
What Is a Force? A force acts on an object. A force requires an agent, something that acts on the object. If you throw a ball, your hand is the agent or cause of the force exerted on the ball. A force
More information1. A 1000kg elevator is rising and its speed is increasing at 3m/s 2. The tension force of the cable on the elevator is:
1. A 1000kg elevator is rising and its speed is increasing at 3m/s 2. The tension force of the cable on the elevator is: A. 6800N B. 1000N C. 3000N D. 9800N E. 12800N ans: E 2. A 25N crate slides down
More informationReview sheet 4 Newton s Laws
Review sheet 4 Newton s Laws Multiple Choice Identify the letter of the choice that best completes the statement or answers the question. 1. Which of the following is the cause of an acceleration or a
More informationName Student ID# MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
GYTE FİZ121 Homework 2A Name Student ID# 1) A ball is thrown directly upward and experiences no air resistance. Which one of the following statements about its motion is correct? A) The acceleration of
More information1) The gure below shows the position of a particle (moving along a straight line) as a function of time. Which of the following statements is true?
Physics 2A, Sec C00: Mechanics  Winter 2011 Instructor: B. Grinstein Final Exam INSTRUCTIONS: Use a pencil #2 to ll your scantron. Write your code number and bubble it in under "EXAM NUMBER;" an entry
More informationClicker Question. A tractor driving at a constant speed pulls a sled loaded with firewood. There is friction between the sled and the road.
A tractor driving at a constant speed pulls a sled loaded with firewood. There is friction between the sled and the road. A. positive. B. negative. C. zero. Clicker Question The total work done on the
More informationPhysics 125 Practice Exam #3 Chapters 67 Professor Siegel
Physics 125 Practice Exam #3 Chapters 67 Professor Siegel Name: Lab Day: 1. A concrete block is pulled 7.0 m across a frictionless surface by means of a rope. The tension in the rope is 40 N; and the
More informationAP Physics C Fall Final Web Review
Name: Class: _ Date: _ AP Physics C Fall Final Web Review Multiple Choice Identify the choice that best completes the statement or answers the question. 1. On a position versus time graph, the slope of
More informationForces and Dynamics Worksheet
Forces and Dynamics Worksheet 1. A block rests on a rough surface. Two forces P and Q act on the block, parallel to the surface. A friction force F between the block and the surface keeps the block in
More informationThe net force on the object always acts along the line of motion of the object.
Physics 125 Practicemakesperfect Quiz Chapter 4&5 These are the types of problems that you will see on the quizzes. Use this practice quiz as a gauge for your understanding of physics. The answers are
More informationPhysics 2101, First Exam, Fall 2007
Physics 2101, First Exam, Fall 2007 September 4, 2007 Please turn OFF your cell phone and MP3 player! Write down your name and section number in the scantron form. Make sure to mark your answers in the
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 information2. If a net horizontal force of 175 N is applied to a bike whose mass is 43 kg what acceleration is produced?
Chapter Problems Newton s 2nd Law: Class Work 1. A 0.40 kg toy car moves at constant acceleration of 2.3 m/s 2. Determine the net applied force that is responsible for that acceleration. 2. If a net horizontal
More informationNewton s Laws Name: Per: Teacher: What is a force? Newton s First Law (Law of Inertial) What do forces cause?
Physics B Newton s Laws Name: Per: Teacher: What is a force? Newton s First Law (Law of Inertial) What do forces cause? What is the relationship between mass and inertia? Draw a force diagram on the book.
More informationPHY1 Review for Exam 6. Equations V = 2πr / T a c = V 2 /r. W = Fdcosθ PE = mgh KE = ½ mv 2 E = PE + KE
Topics 1. Work 2. Energy a. Potential energy b. Kinetic energy c. Conservation of energy 3. Power Constants g = 9.8 m/s 2 Equations V = 2πr / T a c = V 2 /r F = ma F F = µf N W = Fdcosθ PE = mgh KE = ½
More informationWhile two forces act on it, a particle is to move at the constant velocity = (3.62 m/s)  (3.16 m/s). One of the
1 of 7 10/14/2008 9:39 AM Forces & Newton's Laws Start Date: 14 Oct 2008 at 09:00 AM Due Date: 20 Oct 2008 at 11:00 PM Student Access after Due Date: Graded: Yes Yes. View Only Chapter 5, Problem 6 While
More informationExam II. Spring 2003 Serway, Chapters 610
Assigned Seat umber Agin/Morgan Exam II Spring 2003 Serway, Chapters 610 PH2100 0A/0B Part I: Qualitative Write the letter of the correct answer on the answer sheet. O PARTIAL CREDIT: SUBMIT OE ASWER
More informationQuiz 10 Motion. Name: Group:
Quiz 10 Motion Name: Group: 1. Two balls are released at the same time on the two tracks shown below. Which ball wins? a. The ball on the low road b. The ball on the high road c. They tie 2. What will
More information1. Rupel pushes a box 5.00 m by applying a 25.0N horizontal force. What work does she do? a J c. 125 J b J d. 550 J
Energy 1. Rupel pushes a box 5.00 m by applying a 25.0N horizontal force. What work does she do? a. 10.0 J c. 125 J b. 25.0 J d. 550 J 2. A horizontal force of 100 N is applied to move a 45kg cart across
More informationTennessee State University
Tennessee State University Dept. of Physics & Mathematics PHYS 2110 CF SP 2009 Name 30% Time is 2 hours. Cheating will give you an Fgrade. Other instructions will be given in the Hall. MULTIPLE CHOICE.
More information3. A student obtains data on the magnitude of force applied to an object as a function of time and displays the data on the graph
1. The graph above shows the force on an object of mass M as a function of time. For the time interval 0 to 4 s, the total change in the momentum of the object is (A) 40 kg m/s (B) 20 kg m/s (C) 0 kg m/s
More information8.2 A ball of mass m falls from a height h to the floor. S (a) Write the appropriate version of Equation 8.2 for the system of the ball and the Earth
8.2 A ball of mass m falls from a height h to the floor. S (a) Write the appropriate version of Equation 8.2 for the system of the ball and the Earth and use it to calculate the speed of the ball just
More informationPhysics 180A Final Test Points
Physics 180A Final Test  120 Points Name 1. Three horizontal ropes are attached to a boulder and produce the pulls shown in the figure. Find the magnitude and direction of the resulltant pull. (5 points)
More informationName Free Body Diagrams (A to Z) Draw and label ALL forces present. Assume static situations. F F = Friction Force. w = Weight (gravity) A B C D E F
Name Free Body Diagrams (A to Z) Draw and label ALL forces present. Assume static situations. F N = Normal Force F F = Friction Force w = Weight (gravity) T = Tension F s = Spring Force A B C D E F G H
More informationUnit 1: Vectors. a m/s b. 8.5 m/s c. 7.2 m/s d. 4.7 m/s
Multiple Choice Portion 1. A boat which can travel at a speed of 7.9 m/s in still water heads directly across a stream in the direction shown in the diagram above. The water is flowing at 3.2 m/s. What
More informationAssignment Work (Physics) Class :Xi Chapter :04: Motion In PLANE
1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. Assignment Work (Physics) Class :Xi Chapter :04: Motion In PLANE State law of parallelogram of vector addition and derive expression for resultant of two vectors
More information1. Which unit is equivalent to a newton per kilogram? A) m. s 2 B) W. s C) J s D) kg m
1. Which unit is equivalent to a newton per kilogram? A) m s 2 B) W 6. Base your answer to the following question on The diagram below shows a student throwing a baseball horizontally at 25 meters per
More informationb) Find the speed (in km/h) of the airplane relative to the ground.
I. An airplane is heading due east and is moving at a speed of 370 km/h relative to the air. The wind is blowing 45.0 degrees north of west at a speed of 93.0 km/h. a) Represent the airplane s and wind
More informationChapter 4 Lecture Notes
Chapter 4 Lecture Notes Physics 2414  Strauss Formulas: ΣF = ma F G = mg F SF µ S N F KF = µ K N Main Ideas: 1. Newton s Three laws 2. Weight 3. Solving Problems 4. Friction In this chapter we will study
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 informationDynamics Chapter Questions. 3. Discuss how an object s acceleration relates to the direction of its movement.
PSI AP Physics I Dynamics Chapter Questions 1. What is Newton s First Law? 2. Can an object with zero net force acting on it be moving? Explain. 3. Discuss how an object s acceleration relates to the direction
More informationPhys 111Federici ( MPFREDERICI31176 ) My Courses Course Settings
1 of 12 11/27/2013 2:21 PM Signed in as John Frederici, Instructor Help Sign Out Phys 111Federici ( MPFREDERICI31176 ) My Courses Course Settings Course Home Assignments Roster Gradebook Item Library
More information4.3. Tension and Pulleys
4.3. Tension and Pulleys Demonstration 1. Calibrate 2 spring scales, put them together horizontally, and pull apart. Do they always show the same force? What are they measuring? 2. Put 2 spring scales
More informationMULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) Vector A has length 4 units and directed to the north. Vector B has length 9 units and is directed
More information