AP Physics 1 — Practice Test

1. A car accelerates uniformly from rest to 20 m/s in 5 s. What is its acceleration?

2. An object is dropped from rest. How far does it fall in 3 s? (g = 10 m/s²)

3. A ball is thrown straight up at 20 m/s. What is its speed at the highest point?

4. Which quantity equals the area under a velocity-vs-time graph?

5. A runner covers 100 m in 10 s, then 100 m in 20 s. What is the average speed?

6. The slope of a position-vs-time graph represents:

7. A car moving at 30 m/s brakes to rest in 6 s. Its acceleration is:

8. An object thrown horizontally and one dropped from the same height (no air resistance) hit the ground:

9. A projectile is launched at 30° above horizontal at 20 m/s. Its initial vertical velocity is:

10. Displacement differs from distance because displacement:

11. A ball rolls 4 m east then 3 m north. Its displacement magnitude is:

12. For an object in free fall, its acceleration is:

13. A car travels 60 m while accelerating from 10 m/s to 20 m/s. Its acceleration is:

14. The horizontal velocity of a projectile (no air resistance):

15. A velocity-time graph is a horizontal line above zero. The motion is:

16. A 5 kg block is pushed across a frictionless surface with a force of 20 N. What is its acceleration?

17. What is the weight of a 10 kg object near Earth? (g = 10 m/s²)

18. By Newton's third law, the reaction to a book's weight acts on the:

19. A 2 kg block has friction 6 N with normal force 20 N. The coefficient of friction is:

20. Forces of 3 N east and 4 N north act on an object. The net force magnitude is:

21. An object moves at constant velocity. The net force on it is:

22. A 4 kg object on a frictionless 30° incline accelerates at (g = 10 m/s²):

23. The normal force on a book resting on a flat table equals:

24. Doubling the net force on a fixed mass will:

25. Two blocks (2 kg, 3 kg) in contact are pushed by 10 N on the frictionless side. Their acceleration is:

26. Static friction on a stationary box being lightly pushed (but not moving) is:

27. An elevator accelerates upward. The apparent weight of a passenger is:

28. A 1000 kg car experiences 3000 N net force. Its acceleration is:

29. Which is an action-reaction pair?

30. Tension in a rope pulling a 5 kg mass upward at constant velocity is (g = 10):

31. A 2 kg ball moves in a circle of radius 1 m at 4 m/s. The centripetal force is:

32. For uniform circular motion, the net force points:

33. If a satellite's orbital radius doubles, gravitational force becomes:

34. What provides centripetal force for a car on a flat curve?

35. Centripetal acceleration of an object at 6 m/s in a 3 m radius circle is:

36. Doubling the speed in circular motion (fixed r) changes centripetal force by:

37. The period of an object in uniform circular motion is the time to:

38. Gravitational acceleration at Earth's surface depends on:

39. At the top of a vertical loop, the minimum speed occurs when centripetal force equals:

40. Two 5 kg masses 2 m apart. If distance halves, gravitational force: