1. Describing
Motion
Acceleration
Motion and
Forces
Newton’s
Laws of
Motion
Gravity
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2. The distance an object travels per unit time.

3. speed

4. What is it called when referring to the distance and direction of an object’s change in relation to its starting point?

5. Displacement

6. What type of speed is it when you look down at your speedometer?

7. Instantaneous

8. On which axis would you plot distance?

9. Y-axis

10. If Timmy won a 300-meter race in 40 seconds, his speed would be ______.

11. 7.5 m/s

12. What is the difference between velocity and speed?

13. Velocity includes direction whereas speed does not.

14. How do you find the change in velocity?

15. Final Velocity – Initial Velocity

16. A car slamming on the brakes at a yellow light is an example of ______ _______.

17. Negative Acceleration

18. What is the formula for finding acceleration?

19. A = Vf – Vi t

20. A meteor’s speed is 10,000 m/s. After 1 minute, it is 5,000 m/s
A meteor’s speed is 10,000 m/s. After 1 minute, it is 5,000 m/s. What is the meteor’s acceleration?

21. -83.3 m/s² (must convert minutes to seconds)

22. What is it called when two or more forces act on an object at the same time?

23. Net Force

24. The microscopic bumps caused by friction are called ______.

25. microwelds

26. Sledding down a hill is an example of what type of friction?

27. Sliding Friction

28. A friction-like force that opposed motion of objects moving through the air is called ________.

29. Air Resistance

30. Name the 4 types of friction.

31. Fluid Rolling Sliding Static

32. The Law of Inertia is another name for __________.

33. Newton’s 1st Law

34. When you paddle a canoe, the canoe goes forward is an example of _____.

35. Newton’s 3rd Law

36. The equation F= m x a represents what?

37. Newton’s 2nd Law

38. Acceleration is determined by the ____ of the force and the ____ of an object.

39. size mass

40. As an ice skater pushes harder with his leg muscle, he begins to move faster is an example of what?

41. Newton’s 2nd Law

42. What is the unit of measurement for the gravitational force exerted on an object?

43. Newtons

44. What type of path does a projectile follow?

45. Curved path

46. Name the two types of motion related to projectiles.

47. Horizontal Motion Vertical Motion

48. “Centripetal” means what?

49. Center

50. The _____ the object mass, the ______ the gravitational force.

51. Greater Stronger

52. A soccer player is running at 6 m/s
A soccer player is running at 6 m/s. He then stumbles over an opponent’s foot falling and rolling to a stop. This took 4 seconds. What was his acceleration?

53. Vf = 0
Vi = 6
T = 4
0-6 m/s = -6 m/s
4s s
-1.5 m/s²

54. A skateboarder fell doing a jump
A skateboarder fell doing a jump. She got up and after 5 seconds, returned to a velocity of 5 m/s. What is her acceleration?

55. Vf = 5
Vi = 0
T = 5
5-0 m/s = 5 m/s
5s s
1 m/s²