2. Learning Objectivesprepost Define and use speed Describe the difference between average and instantaneous speed Recall and use displacement Draw and interpret distance-time graphs Recall and use velocity Draw and interpret velocity-time graphs Use examples of applications of recording motion Recall and understand how a force arises Use arrows to model forces Understand Newton’s third law Describe the reaction force Describe friction Outline how rockets and jet engines work Describe a resultant force and its affect Define and use momentum Define and use Newton’s second law Explain the affect of road safety measures Define and use kinetic energy Define and use gravitational potential energy Define and use work Discuss energy transfers with and without air resistance Recall and use the law of conservation of energy

3. 1. What is speed? 1.The rate of change of distance 2.The rate of change of displacement 3.The product of force and distance 4.The rate of change of velocity

4. 2. Average speed is: 1.The distance divided by time at any point 2.The total distance divided by the total time 3.The difference between speed and velocity 4.The velocity divided by the acceleration

5. 3. What is displacement? 1.The total distance 2.The difference between distance and speed 3.The distance in a given direction 4.The speed in a given direction

6. 4. What is this object doing? 1.Accelerating 2.Decelerating 3.Not moving 4.Travelling at a constant speed

7. 5. What is this object doing? 1.Accelerating 2.Decelerating 3.Not moving 4.Travelling at a constant speed

8. 6. What is velocity? 1.The rate of change of distance 2.The rate of change of displacement 3.The product of force and distance 4.The rate of change of velocity

9. 7. What is this object doing? 1.Accelerating 2.Decelerating 3.Not moving 4.Travelling at a constant speed

10. 8. What is this object doing? 1.Accelerating 2.Decelerating 3.Not moving 4.Travelling at a constant speed

11. 9. Which is not a method of catching speeders? 1.Gatso speed cameras 2.Truvelo speed cameras 3.Police radar guns 4.Gamma ray cameras

12. 10. What is not a definition of a force? 1.Something which causes an acceleration 2.Something which deforms an object 3.Something which changes an objects direction 4.Something which is a scalar quantity

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14. 11. The object was not moving. What is it doing now? 1.Accelerating downwards 2.Accelerating upwards 3.Stationary 4.Moving at a constant speed downwards

15. 12. This object was moving downwards. What is it doing now? 1.Accelerating downwards 2.Accelerating upwards 3.Stationary 4.Moving at a constant speed downwards

16. 13. This object was moving downwards. What is it doing now? 1.Accelerating downwards 2.Accelerating upwards 3.Stationary 4.Moving at a constant speed downwards

17. 14. What is Newton’s third law? 1.For every action, there is an equal and opposite reaction 2.An object will continue in motion unless acted on by an external force 3.Force is the rate of change of momentum 4.Matter cannot be created or destroyed, only changed

18. 15. What is the normal force? 1.Another name for friction 2.An electrostatic repulsion between objects 3.The force holding the atomic nucleus together 4.The force which exists under standard temperature and pressure

19. 16. Which letter is friction? 1.A 2.B 3.C 4.D

20. 17. Work is: 1.force x distance 2.mass x acceleration 3.speed x time 4.mass x velocity

21. 18. What is the equation for kinetic energy? 1.mgh 2.½mv 2 3.ma 4.mv

22. 19. Why do we usually ignore air resistance? 1.To make calculations easier 2.To make calculations easier 3.To describe the natural world more accurately 4.To annoy new physics students

23. 20. What is the law of conservation of energy 1.Energy cannot be created or destroyed 2.Energy can never be changed 3.Energy is running out quickly 4.Energy is running out slowly

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25. DEFINE AND USE SPEED P4.1.1

26. DESCRIBE THE DIFFERENCE BETWEEN AVERAGE AND INSTANTANEOUS SPEED P4.1.2

27. RECALL AND USE ‘DISPLACEMENT’ P4.1.3

28. DRAW AND INTERPRET DISTANCE- TIME GRAPHS P4.1.4

29. RECALL AND USE ‘VELOCITY’ P4.1.5

30. DRAW AND INTERPRET VELOCITY- TIME GRAPHS P4.1.6

31. USE EXAMPLES OF APPLICATIONS OF RECORDING MOTION P4.1.7

32. RECALL AND UNDERSTAND THAT A FORCE ARISES FROM THE INTERACTION OF TWO OBJECTS P4.2.1

33. USE ARROWS TO DESCRIBE THE EFFECT OF FORCES P4.2.2

34. UNDERSTAND NEWTON’S THIRD LAW OF MOTION P4.2.3

35. DESCRIBE THE REACTION FORCE P4.2.4

36. DESCRIBE ‘FRICTION’ P4.2.5

37. OUTLINE HOW ROCKETS AND JET ENGINES WORK P4.2.6

38. DESCRIBE A RESULTANT FORCE AND ITS EFFECT P4.3.1

39. DEFINE AND USE MOMENTUM P4.3.2

40. DEFINE AND USE NEWTON’S SECOND LAW P4.3.3

41. EXPLAIN THE ACTION OF ROAD SAFETY MEASURES P4.3.3

42. DEFINE AND USE KINETIC ENERGY P4.4.1

43. DEFINE AND USE GRAVITATIONAL POTENTIAL ENERGY P4.4.1

44. DEFINE AND USE WORK P4.4.1

45. DISCUSS ENERGY TRANSFERS WITH AND WITHOUT AIR RESISTANCE P4.4.1

46. RECALL THE LAW OF CONSERVATION OF ENERGY P4.4.1