# Q1. (a) State the difference between vector and scalar quantities (1)

Save this PDF as:

Size: px
Start display at page:

Download "Q1. (a) State the difference between vector and scalar quantities (1)"

## Transcription

1 Q1. (a) State the difference between vector and scalar quantities (1) (b) State one example of a vector quantity (other than force) and one example of a scalar quantity. vector quantity... scalar quantity... (c) A 12.0 N force and a 8.0 N force act on a body of mass 6.5 kg at the same time. For this body, calculate (i) the maximum resultant acceleration that it could experience, the minimum resultant acceleration that it could experience. (4) (Total 7 marks) Q2. (a) (i) State what is meant by a scalar quantity. State two examples of scalar quantities. example 1: example 2:... Page 1 of 23

2 (b) An object is acted upon by two forces at right angles to each other. One of the forces has a magnitude of 5.0 N and the resultant force produced on the object is 9.5 N. Determine (i) the magnitude of the other force, the angle between the resultant force and the 5.0 N force. (4) (Total 7 marks) Page 2 of 23

3 Q3. The graph represents the motion of two cars, A and B, as they move along a straight, horizontal road. (a) Describe the motion of each car as shown on the graph. (i) car A: car B:..... (b) Calculate the distance travelled by each car during the first 5.0 s. (i) car A: car B: (4) Page 3 of 23

4 (c) At time t = 0, the two cars are level. Explain why car A is at its maximum distance ahead of B at t = 2.5 s (Total 10 marks) Q4. Gliders can be launched with a winch situated on the ground. The winch pulls a rope that is attached to the glider. The diagram below shows the forces acting on the glider at one instant during the launch. (a) The combined weight of the glider and pilot is 6500 N. (i) Show that the magnitude of the resultant force acting on the glider is about 6100 N. Calculate the angle between this resultant force and the horizontal. angle... degrees Page 4 of 23

5 (iii) Calculate the resultant acceleration of the glider in the diagram above. resultant acceleration... m s 2 (b) The glider climbs a vertical distance of 600 m in 55 s. The average power input to the winch motor during the launch is 320 kw. (i) Calculate the gain in gravitational potential energy (gpe) of the glider. gain in gpe... J Calculate the percentage efficiency of the winch system used to launch the glider. Assume the kinetic energy of the glider after the launch is negligible. efficiency... % (Total 11 marks) Q5. A steel ball has a diameter of m. (a) Calculate the weight of the steel ball. Give your answer to an appropriate number of significant figures. density of steel = 8100 kg m 3 weight...n (4) Page 5 of 23

6 (b) Figure 1 shows two identical steel balls dropped from rest into containers of oil. Figure 1 (i) Figure 2 shows the velocity-time graph for steel ball A. Figure 2 Explain the shape of the graph in Figure 2. Your account should include how the velocity and acceleration of the steel ball vary with time reference to how Newton s First and Second laws of motion apply in this situation. The quality of written communication will be assessed in your answer. (6) Page 6 of 23

7 On Figure 3, sketch the velocity-time graph you would expect to see for steel ball B. Assume air resistance is negligible. Figure 3 (Total 13 marks) Q6. The world record for a high dive into deep water is 54 m. (a) Calculate the loss in gravitational potential energy (gpe) of a diver of mass 65 kg falling through 54 m. loss in gpe =... J (b) Calculate the vertical velocity of the diver the instant before he enters the water. Ignore the effects of air resistance. velocity =... ms 1 Page 7 of 23

8 (c) Calculate the time taken for the diver to fall 54 m. Ignore the effects of air resistance. time =... s (d) Explain, with reference to energy, why the velocity of the diver is independent of his mass if air resistance is insignificant (Total 9 marks) Q7. A skydiver of mass 70 kg, jumps from a stationary balloon and reaches a speed of 45 m s 1 after falling a distance of 150 m. (a) Calculate the skydiver s (i) loss of gravitational potential energy, gain in kinetic energy. (4) (b) The difference between the loss of gravitational potential energy and the gain in kinetic energy is equal to the work done against air resistance. Use this fact to calculate (i) the work done against air resistance, Page 8 of 23

9 the average force due to air resistance acting on the skydiver. (Total 7 marks) Q8. (a) (i) State two vector quantities. vector quantity 1... vector quantity 2... State two scalar quantities. scalar quantity 1... scalar quantity 2... (b) The helicopter shown in Figure 1a is moving horizontally through still air. The lift force from the helicopter s blades is labelled A. Figure 1a Figure 1b (i) Name the two forces B and C that also act on the helicopter. B... C... Page 9 of 23

10 The force vectors are also shown arranged as a triangle in Figure 1b. State and explain how Figure 1b shows that the helicopter is moving at a constant velocity (c) The lift force, A, is 9.5 kn and acts at an angle of 74 to the horizontal. Calculate the weight of the helicopter. Give your answer to an appropriate number of significant figures. answer =... N (Total 9 marks) Q9. A student measures the acceleration due to gravity, g, using the apparatus shown in the figure below. A plastic card of known length is released from rest at a height of 0.50m above a light gate. A computer calculates the velocity of the card at this point, using the time for the card to pass through the light gate. Page 10 of 23

11 (a) The computer calculated a value of 3.10 m s 1 for the velocity of the card as it travelled through the light gate. Calculate a value for the acceleration due to gravity, g, from these data. answer =... m s 2 (b) The student doubles the mass of the card and finds a value for g that is similar to the original value. Use the relationship between weight, mass and g to explain this result (1) (c) State and explain one reason why the card would give more reliable results than a table tennis ball for this experiment (Total 5 marks) Page 11 of 23

12 Q10. The figure below shows a rollercoaster train that is being accelerated when it is pulled horizontally by a cable. (a) The train accelerates from rest to a speed of 58ms 1 in 3.5 s. The mass of the fully loaded train is 5800 kg. (i) Calculate the average acceleration of the train. answer =... ms 2 Calculate the average tension in the cable as the train is accelerated, stating an appropriate unit. answer =... (iii) Calculate the distance the train moves while accelerating from rest to 58ms 1. answer =... m Page 12 of 23

13 (iv) The efficiency of the rollercoaster acceleration system is 20%. Calculate the average power input to this system during the acceleration. answer =... W (b) After reaching its top speed the driving force is removed and the rollercoaster train begins to ascend a steep track. By considering energy transfers, calculate the height that the train would reach if there were no energy losses due to friction. answer =... m (Total 13 marks) Page 13 of 23

14 Q11. It has been predicted that in the future large offshore wind turbines may have a power output ten times that of the largest ones currently in use. These turbines could have a blade length of 100 m or more. A turbine such as this is shown in the diagram below. (a) At a wind speed of 11 m s 1 the volume of air passing through the blades each second is m 3. (i) Show that the mass of air that would pass through the blades each second is about kg. The density of air is 1.2 kg m 3 Calculate the kinetic energy of the air that would enter the turbine each second. answer =... J Page 14 of 23

15 (iii) It has been predicted that the turbine would produce an electrical power output of 10 MW in these wind conditions. Calculate the percentage efficiency of the turbine in converting this kinetic energy into electrical energy. answer =... % (b) State one advantage and one disadvantage of wind power in comparison to fossil fuel. Advantage Disadvantage (Total 8 marks) Q12. A car is travelling on a level road at a speed of 15.0 m s 1 towards a set of traffic lights when the lights turn red. The driver applies the brakes 0.5 s after seeing the lights turn red and stops the car at the traffic lights. The table below shows how the speed of the car changes from when the traffic lights turn red. time/s speed/m s Page 15 of 23

16 (a) Draw a graph of speed on the y-axis against time on the x-axis on the grid provided. (5) (b) (i) State and explain what feature of the graph shows that the car s deceleration was uniform. Page 16 of 23

17 Use your graph to calculate the distance the car travelled after the lights turned red to when it stopped. Answer... m (4) (Total 11 marks) Q13. (a) (i) State the difference between a scalar quantity and a vector quantity. (1) State two examples of a scalar quantity and two examples of a vector quantity. scalar quantities... vector quantities... Page 17 of 23

18 (b) The diagram below shows a ship fitted with a sail attached to a cable. The force of the wind on the sail assists the driving force of the ship s propellors. The cable exerts a steady force of 2.8 kn on the ship at an angle of 35 above a horizontal line. (i) Calculate the horizontal and vertical components of this force. horizontal component of force... kn vertical component of force... kn The ship is moving at a constant velocity of 8.3 m s 1 and the horizontal component of the force of the cable on the ship acts in the direction in which the ship is moving. Calculate the power provided by the wind to this ship, stating an appropriate unit. Answer... Page 18 of 23

19 (c) The cable has a diameter of m. Calculate the tensile stress in the cable when it exerts a force of 2.8 kn on the ship, stating an appropriate unit. Assume the weight of the cable is negligible. Answer... (5) (Total 14 marks) Q14. The figure below shows apparatus that can be used to investigate energy changes. The trolley and the mass are joined by an inextensible string. In an experiment to investigate energy changes, the trolley is initially held at rest, and is then released so that the mass falls vertically to the ground. You may be awarded marks for the quality of written communication in your answer. (a) (i) State the energy changes of the falling mass. Page 19 of 23

20 Describe the energy changes that take place in this system. (4) (b) State what measurements would need to be made to investigate the conservation of energy (c) Describe how the measurements in part (b) would be used to investigate the conservation of energy (4) (Total 10 marks) Page 20 of 23

21 Q15. An E-bike is a bicycle that is assisted by an electric motor. The figure below shows an E- bike and rider with a total mass of 83 kg moving up an incline. (a) (i) The cyclist begins at rest at A and accelerates uniformly to a speed of 6.7 m s 1 at B. The distance between A and B is 50 m. Calculate the time taken for the cyclist to travel this distance. answer =... s Calculate the kinetic energy of the E-bike and rider when at B. Give your answer to an appropriate number of significant figures. answer =... J (iii) Calculate the gravitational potential energy gained by the E-bike and rider between A and B. answer =... J Page 21 of 23

22 (b) Between A and B, the work done by the electric motor is 3700 J, and the work done by the cyclist pedalling is 5300 J. (i) Calculate the wasted energy as the cyclist travels from A to B. answer =... J State two causes of this wasted energy. Cause Cause (Total 10 marks) Page 22 of 23

23 Page 23 of 23

### Summary Notes. to avoid confusion it is better to write this formula in words. time

National 4/5 Physics Dynamics and Space Summary Notes The coloured boxes contain National 5 material. Section 1 Mechanics Average Speed Average speed is the distance travelled per unit time. distance (m)

### THE NATURE OF FORCES Forces can be divided into two categories: contact forces and non-contact forces.

SESSION 2: NEWTON S LAWS Key Concepts In this session we Examine different types of forces Review and apply Newton's Laws of motion Use Newton's Law of Universal Gravitation to solve problems X-planation

### GCE Physics B: Physics in Context Additional Sample Questions and Mark Schemes PHYB2 Physics Keeps Us Going

HIj Teacher Resource Bank GCE Physics B: Physics in Context Additional Sample Questions and Mark Schemes PHYB2 Physics Keeps Us Going Copyright 2008 AQA and its licensors. All rights reserved. The Assessment

### Chapter 4 - Forces and Newton s Laws of Motion w./ QuickCheck Questions

Chapter 4 - Forces and Newton s Laws of Motion w./ QuickCheck Questions 2015 Pearson Education, Inc. Anastasia Ierides Department of Physics and Astronomy University of New Mexico September 8, 2015 Review

### Problem 5.25 (Adapted from Engineering Mechanics: Statics by Bedford & Fowler, Addison- Wesley)

Problem 5.24 particle is traveling in a straight line in a horizontal plane. The mass of the particle is 0.10 kg. The acceleration of the particle is described by the following equation: dv 2 a= = Bt dt

### Unit 1 Our Dynamic Universe

North Berwick High School Higher Physics Department of Physics Unit 1 Our Dynamic Universe Section 1 Equations of Motion Section 1 Equations of Motion Note Making Make a dictionary with the meanings of

### Weight The weight of an object is defined as the gravitational force acting on the object. Unit: Newton (N)

Gravitational Field A gravitational field as a region in which an object experiences a force due to gravitational attraction Gravitational Field Strength The gravitational field strength at a point in

### Unit 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

### CHAPTER 2, Lsn 2-1 to 2-5 TEST REVIEW

IB PHYSICS Name: DEVIL PHYSICS Period: Date: BADDEST CLASS ON CAMPUS CHAPTER 2, Lsn 2-1 to 2-5 TEST REVIE 1. The graph shows the variation with time t of the acceleration a of an object. hich of the following

### Mass, energy, power and time are scalar quantities which do not have direction.

Dynamics Worksheet Answers (a) Answers: A vector quantity has direction while a scalar quantity does not have direction. Answers: (D) Velocity, weight and friction are vector quantities. Note: weight and

### Monday 20 May 2013 Afternoon

Monday 20 May 2013 Afternoon AS GCE PHYSICS A G481/01 Mechanics *G411700613* Candidates answer on the Question Paper. OCR supplied materials: Data, Formulae and Relationships Booklet (sent with general

### Work Energy & Power. September 2000 Number 05. 1. Work If a force acts on a body and causes it to move, then the force is doing work.

PhysicsFactsheet September 2000 Number 05 Work Energy & Power 1. Work If a force acts on a body and causes it to move, then the force is doing work. W = Fs W = work done (J) F = force applied (N) s = distance

### Mechanics 1. Revision Notes

Mechanics 1 Revision Notes July 2012 MECHANICS 1... 2 1. Mathematical Models in Mechanics... 2 Assumptions and approximations often used to simplify the mathematics involved:... 2 2. Vectors in Mechanics....

### CHAPTER 6 WORK AND ENERGY

CHAPTER 6 WORK AND ENERGY CONCEPTUAL QUESTIONS. REASONING AND SOLUTION The work done by F in moving the box through a displacement s is W = ( F cos 0 ) s= Fs. The work done by F is W = ( F cos θ). s From

### Higher Physics Our Dynamic Universe Notes

Higher Physics Our Dynamic Universe Notes Teachers Booklet Previous knowledge This section builds on the knowledge from the following key areas from Dynamics and Space Booklet 1 - Dynamics Velocity and

### Name PRE-TEST. Directions: Circle the letter indicating whether the following statements are either true ("T") or false ("F").

1 PRE-TEST Directions: Circle the letter indicating whether the following statements are either true ("T") or false ("F"). T F 1. An object's energy due to its motion is kinetic energy. T F 2. We can calculate

### Physics 101 Prof. Ekey. Chapter 5 Force and motion (Newton, vectors and causing commotion)

Physics 101 Prof. Ekey Chapter 5 Force and motion (Newton, vectors and causing commotion) Goal of chapter 5 is to establish a connection between force and motion This should feel like chapter 1 Questions

### 2.1 Force and Motion Kinematics looks at velocity and acceleration without reference to the cause of the acceleration.

2.1 Force and Motion Kinematics looks at velocity and acceleration without reference to the cause of the acceleration. Dynamics looks at the cause of acceleration: an unbalanced force. Isaac Newton was

### Chapter 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.

### SHORT 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 lawn roller in the form of a uniform solid cylinder is being pulled horizontally by a horizontal

### A scalar quantity is fully described by its magnitude (size) and unit, e.g. time = 220 s. Force = 800 N upwards direction

Vector and Scalar Quantities (recap on National 5 Physics) A scalar quantity is fully described by its magnitude (size) and unit, e.g. quantity time = 220 s unit magnitude A vector quantity is fully described

### AN ROINN OIDEACHAIS AGUS EOLAÍOCHTA LEAVING CERTIFICATE EXAMINATION, 2000

M31 AN ROINN OIDEACHAIS AGUS EOLAÍOCHTA LEAVING CERTIFICATE EXAMINATION, 2000 APPLIED MATHEMATICS - ORDINARY LEVEL FRIDAY, 23 JUNE - AFTERNOON, 2.00 to 4.30 Six questions to be answered. All questions

### 2008 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 velocity-time graph. Select and use the equations of motion for constant acceleration in

### AP 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

### Work, Energy & Momentum Homework Packet Worksheet 1: This is a lot of work!

Work, Energy & Momentum Homework Packet Worksheet 1: This is a lot of work! 1. A student holds her 1.5-kg psychology textbook out of a second floor classroom window until her arm is tired; then she releases

### Physics 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

### Explaining Motion:Forces

Explaining Motion:Forces Chapter Overview (Fall 2002) A. Newton s Laws of Motion B. Free Body Diagrams C. Analyzing the Forces and Resulting Motion D. Fundamental Forces E. Macroscopic Forces F. Application

### 1) 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 3.0-kilogram mass being moved at a constant speed by a force of 6.0 Newtons. 4. If the surface were frictionless, the

### Chapter Test. Teacher Notes and Answers Forces and the Laws of Motion. Assessment

Assessment Chapter Test A Teacher Notes and Answers Forces and the Laws of Motion CHAPTER TEST A (GENERAL) 1. c 2. d 3. d 4. c 5. c 6. c 7. c 8. b 9. d 10. d 11. c 12. a 13. d 14. d 15. b 16. d 17. c 18.

### Two-Body System: Two Hanging Masses

Specific Outcome: i. I can apply Newton s laws of motion to solve, algebraically, linear motion problems in horizontal, vertical and inclined planes near the surface of Earth, ignoring air resistance.

### Chapter 5 Newton s Laws of Motion

Chapter 5 Newton s Laws of Motion Sir Isaac Newton (1642 1727) Developed a picture of the universe as a subtle, elaborate clockwork slowly unwinding according to well-defined rules. The book Philosophiae

### Physics 125 Practice Exam #3 Chapters 6-7 Professor Siegel

Physics 125 Practice Exam #3 Chapters 6-7 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

### Name: 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

### Ch 6 Forces. Question: 9 Problems: 3, 5, 13, 23, 29, 31, 37, 41, 45, 47, 55, 79

Ch 6 Forces Question: 9 Problems: 3, 5, 13, 23, 29, 31, 37, 41, 45, 47, 55, 79 Friction When is friction present in ordinary life? - car brakes - driving around a turn - walking - rubbing your hands together

### Chapter 6: Energy and Oscillations. 1. Which of the following is not an energy unit? A. N m B. Joule C. calorie D. watt E.

Chapter 6: Energy and Oscillations 1. Which of the following is not an energy unit? A. N m B. Joule C. calorie D. watt E. kwh 2. Work is not being done on an object unless the A. net force on the object

### AP 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

### Chapter 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

### General Physics I Can Statements

General Physics I Can Statements Motion (Kinematics) 1. I can describe motion in terms of position (x), displacement (Δx), distance (d), speed (s), velocity (v), acceleration (a), and time (t). A. I can

### Assignment 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

### Newton 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

### Worksheet #1 Free Body or Force diagrams

Worksheet #1 Free Body or Force diagrams Drawing Free-Body Diagrams Free-body diagrams are diagrams used to show the relative magnitude and direction of all forces acting upon an object in a given situation.

### 1. The unit of force, a Newton, is equal to a. The amount of mass in an object c. kg m/s b. Mass X Velocity d. kg m/s 2

Forces in Motion Test- FORM B Multiple Choice Identify the choice that best completes the statement or answers the question. 1. The unit of force, a Newton, is equal to a. The amount of mass in an object

### How to calculate work done by a varying force along a curved path. The meaning and calculation of power in a physical situation

Chapter 6: Work and Kinetic Energy What is work done by a force What is kinetic energy work-energy theorem How to calculate work done by a varying force along a curved path The meaning and calculation

### B) 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

### Level 1 Physics, 2006

For Supervisor s 1 9 0 1 8 3 Level 1 Physics, 2006 90183 Demonstrate understanding of mechanics in one dimension Credits: Five 9.30 am Monday 20 November 2006 Check that the National Student Number (NSN)

### TEACHER ANSWER KEY November 12, 2003. Phys - Vectors 11-13-2003

Phys - Vectors 11-13-2003 TEACHER ANSWER KEY November 12, 2003 5 1. A 1.5-kilogram lab cart is accelerated uniformly from rest to a speed of 2.0 meters per second in 0.50 second. What is the magnitude

### ENERGY Types of Energy and Energy Transfers

ENERGY Types of Energy and Energy Transfers Energy is the ability to make something useful happen. These types Light Kinetic an object has due to its motion. Chemical can be released when chemical reactions

### Work, Energy and Power Practice Test 1

Name: ate: 1. How much work is required to lift a 2-kilogram mass to a height of 10 meters?. 5 joules. 20 joules. 100 joules. 200 joules 5. ar and car of equal mass travel up a hill. ar moves up the hill

### PHYS 100 Introductory Physics Sample Exam 2

PHYS 00 Introductory Physics Sample Exam Formulas: Acceleration due to Gravity = 0 m/s Weight = Mass x Acceleration due to Gravity Work = Force x Distance Gravitational Potential Energy = Weight x Height

### 2. (P2.1 A) a) A car travels 150 km in 3 hours, what is the cars average speed?

Physics: Review for Final Exam 1 st Semester Name Hour P2.1A Calculate the average speed of an object using the change of position and elapsed time 1. (P2.1 A) What is your average speed if you run 140

### BROCK UNIVERSITY. PHYS 1P21/1P91 Solutions to Mid-term test 26 October 2013 Instructor: S. D Agostino

BROCK UNIVERSITY PHYS 1P21/1P91 Solutions to Mid-term test 26 October 2013 Instructor: S. D Agostino 1. [10 marks] Clearly indicate whether each statement is TRUE or FALSE. Then provide a clear, brief,

### 8.4.1.C. YEAR 11 HSC PHYSICS 8.4 MOVING ABOUT Worksheet Velocity Time Graphs. Set 1 Drawing velocity-time graphs

YEAR 11 HSC PHYSICS 8.4 MOVING ABOUT Worksheet Velocity Time Graphs 8.4.1.C Set 1 Drawing velocity-time graphs 1. The table below is a table of data from an experiment measuring the! variation of speed

### at v = u + 2as 6. Carry out calculations using the above kinematic relationships.

MECHANICS AND PROPERTIES OF MATTER The knowledge and understanding content for this unit is given below. Vectors 1. Distinguish between distance and displacement. 2. Distinguish between speed and velocity.

### Examples of Scalar and Vector Quantities 1. Candidates should be able to : QUANTITY VECTOR SCALAR

Candidates should be able to : Examples of Scalar and Vector Quantities 1 QUANTITY VECTOR SCALAR Define scalar and vector quantities and give examples. Draw and use a vector triangle to determine the resultant

### Chapter 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

### Concept Review. Physics 1

Concept Review Physics 1 Speed and Velocity Speed is a measure of how much distance is covered divided by the time it takes. Sometimes it is referred to as the rate of motion. Common units for speed or

### 9. 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

### Motion Lesson 1: Review of Basic Motion

Motion in one and two dimensions: Lesson 1 Semi-notes Motion Lesson 1: Review of Basic Motion Note. For these semi notes we will use the bold italics convention to represent vectors. Complete the following

### People s Physics book

The Big Idea Energy is a measure of the amount of, or potential for, dynamical activity in something. The total amount of energy in the universe is always the same. This symmetry is called a conservation

### CHAPTER 3 NEWTON S LAWS OF MOTION

CHAPTER 3 NEWTON S LAWS OF MOTION NEWTON S LAWS OF MOTION 45 3.1 FORCE Forces are calssified as contact forces or gravitational forces. The forces that result from the physical contact between the objects

### 04-1. Newton s First Law Newton s first law states: Sections Covered in the Text: Chapters 4 and 8 F = ( F 1 ) 2 + ( F 2 ) 2.

Force and Motion Sections Covered in the Text: Chapters 4 and 8 Thus far we have studied some attributes of motion. But the cause of the motion, namely force, we have essentially ignored. It is true that

### Physics 201 Homework 5

Physics 201 Homework 5 Feb 6, 2013 1. The (non-conservative) force propelling a 1500-kilogram car up a mountain -1.21 10 6 joules road does 4.70 10 6 joules of work on the car. The car starts from rest

### Physics 11 Assignment KEY Dynamics Chapters 4 & 5

Physics Assignment KEY Dynamics Chapters 4 & 5 ote: for all dynamics problem-solving questions, draw appropriate free body diagrams and use the aforementioned problem-solving method.. Define the following

### Supplemental 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?

### COURSE CONTENT. Introduction. Definition of a Force Effect of Forces Measurement of forces. Newton s Laws of Motion

CHAPTER 13 - FORCES COURSE CONTENT Introduction Newton s Laws of Motion Definition of a Force Effect of Forces Measurement of forces Examples of Forces A force is just a push or pull. Examples: an object

### Physics WPE test Review from 2015.notebook October 19, 2015 Test Review: Work, Energy, Power

Test Review: Work, Energy, Power 1. Which of the following sentences uses work in the scientific sense. a. Stan goes to work on the bus. b. Anne did work on the project for 5 hours. c. Joseph found that

### 10.1 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

### Tennessee State University

Tennessee State University Dept. of Physics & Mathematics PHYS 2010 CF SU 2009 Name 30% Time is 2 hours. Cheating will give you an F-grade. Other instructions will be given in the Hall. MULTIPLE CHOICE.

### " # \$%! Text and page layout copyright Martin Cunningham, Majority of clipart copyright

" # \$% Text and page layout copyright Martin Cunningham, 25 Majority of clipart copyright wwwclipartcom, 25 1 1) SCALAR and VECTOR QUANTITIES The following are some of the quantities you will meet in the

### 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) A container explodes and breaks into three fragments that fly off 120 apart from each

### Physics: 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 buckle-up? A) the first law

### 2After 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

### Physics Assessment Unit AS 1

Centre Number 71 Candidate Number ADVANCED SUBSIDIARY (AS) General Certificate of Education 2013 Physics Assessment Unit AS 1 assessing Module 1: Forces, Energy and Electricity AY111 [AY111] THURSDAY 13

### Newton s Second Law. ΣF = m a. (1) In this equation, ΣF is the sum of the forces acting on an object, m is the mass of

Newton s Second Law Objective The Newton s Second Law experiment provides the student a hands on demonstration of forces in motion. A formulated analysis of forces acting on a dynamics cart will be developed

### G481. PHYSICS A Mechanics ADVANCED SUBSIDIARY GCE. Tuesday 24 May 2011 Morning. Duration: 1 hour

ADVANCED SUBSIDIARY GCE PHYSICS A Mechanics G481 *OCE/26232* Candidates answer on the question paper. OCR supplied materials: Data, Formulae and Relationships Booklet Other materials required: Electronic

### Chapter 3 Practice Test

Chapter 3 Practice Test Multiple Choice Identify the choice that best completes the statement or answers the question. 1. Which of the following is a physical quantity that has both magnitude and direction?

### Name: Partners: Period: Coaster Option: 1. In the space below, make a sketch of your roller coaster.

1. In the space below, make a sketch of your roller coaster. 2. On your sketch, label different areas of acceleration. Put a next to an area of negative acceleration, a + next to an area of positive acceleration,

### KEY NNHS Introductory Physics: MCAS Review Packet #1 Introductory Physics, High School Learning Standards for a Full First-Year Course

Introductory Physics, High School Learning Standards for a Full First-Year Course I. C O N T E N T S T A N D A R D S Central Concept: Newton s laws of motion and gravitation describe and predict the motion

### Lecture Presentation Chapter 4 Forces and Newton s Laws of Motion

Lecture Presentation Chapter 4 Forces and Newton s Laws of Motion Suggested Videos for Chapter 4 Prelecture Videos Newton s Laws Forces Video Tutor Solutions Force and Newton s Laws of Motion Class Videos

### Homework 4. problems: 5.61, 5.67, 6.63, 13.21

Homework 4 problems: 5.6, 5.67, 6.6,. Problem 5.6 An object of mass M is held in place by an applied force F. and a pulley system as shown in the figure. he pulleys are massless and frictionless. Find

### SOLID MECHANICS DYNAMICS TUTORIAL INERTIA FORCES IN MECHANISMS

SOLID MECHANICS DYNAMICS TUTORIAL INERTIA FORCES IN MECHANISMS This work covers elements of the syllabus for the Engineering Council Exam D225 Dynamics of Mechanical Systems C103 Engineering Science. This

### How does the net force change between scenario 1 and 2?

How does the net force change between scenario 1 and 2? A) The magnitude decreases, the direction stays the same B) The magnitude stays the same, the direction changes C) The magnitude decreases AND the

### Best Angle for QUICK LAB. Analyze and Conclude. 22 MHR Unit 1 Forces and Motion: Dynamics

5. Pushing a grocery cart with a force of 95 N, applied at an angle of 35 down from the horizontal, makes the cart travel at a constant speed of 1.2 m/s. What is the frictional force acting on the cart?

### Newton's laws of motion

Newton's laws of motion Forces Forces as vectors Resolving vectors Explaining motion - Aristotle vs Newton Newton s first law Newton s second law Weight Calculating acceleration Newton s third law Moving

### Exampro GCSE Physics. P2 Foundation - Forces and their effects Self Study Questions. Name: Class: Author: Date: Time: 125. Marks: 125.

Exampro GCSE Physics P2 Foundation - Forces and their effects Self Study Questions Name: Class: Author: Date: Time: 25 Marks: 25 Comments: Page of 44 Q. (a) Figure shows the horizontal forces acting on

### Physics 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

### Work, Energy and Power

Work, Energy and Power In this section of the Transport unit, we will look at the energy changes that take place when a force acts upon an object. Energy can t be created or destroyed, it can only be changed

### THIS IS A NEW SPECIFICATION

THIS IS A NEW SPECIFICATION ADVANCED SUBSIDIARY GCE PHYSICS A Mechanics G481 *CUP/T63897* Candidates answer on the question paper OCR Supplied Materials: Data, Formulae and Relationships Booklet Other

### Ground Rules. PC1221 Fundamentals of Physics I. Force. Zero Net Force. Lectures 9 and 10 The Laws of Motion. Dr Tay Seng Chuan

PC1221 Fundamentals of Physics I Lectures 9 and 10 he Laws of Motion Dr ay Seng Chuan 1 Ground Rules Switch off your handphone and pager Switch off your laptop computer and keep it No talking while lecture

### Physics 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

### circular motion & gravitation physics 111N

circular motion & gravitation physics 111N uniform circular motion an object moving around a circle at a constant rate must have an acceleration always perpendicular to the velocity (else the speed would

### Chapter 4 Newton s Laws: Explaining Motion

Chapter 4 Newton s s Laws: Explaining Motion Newton s Laws of Motion The concepts of force, mass, and weight play critical roles. A Brief History! Where do our ideas and theories about motion come from?!

### 1. A tennis ball of mass m moving horizontally with speed u strikes a vertical tennis racket. The ball bounces back with a horizontal speed v.

1. A tennis ball of mass m moving horizontally with speed u strikes a vertical tennis racket. The ball bounces back with a horizontal speed v. The magnitude of the change in momentum of the ball is A.

### Curso2012-2013 Física Básica Experimental I Cuestiones Tema IV. Trabajo y energía.

1. A body of mass m slides a distance d along a horizontal surface. How much work is done by gravity? A) mgd B) zero C) mgd D) One cannot tell from the given information. E) None of these is correct. 2.

### PH2213 : Examples from Chapter 4 : Newton s Laws of Motion. Key Concepts

PH2213 : Examples from Chapter 4 : Newton s Laws of Motion Key Concepts Newton s First and Second Laws (basically Σ F = m a ) allow us to relate the forces acting on an object (left-hand side) to the motion

### Chapter 4 Dynamics: Newton s Laws of Motion. Copyright 2009 Pearson Education, Inc.

Chapter 4 Dynamics: Newton s Laws of Motion Force Units of Chapter 4 Newton s First Law of Motion Mass Newton s Second Law of Motion Newton s Third Law of Motion Weight the Force of Gravity; and the Normal

### PHYSICS 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