Ch. 3 Motion & Forces

1. Ch. 3 Motion & Forces Jeopardy Review

2. Round 1 Round 2

3. Need for Speed – 10 points • Scientific unit for speed • m/s Next Question

4. Need for Speed – 20 points • The two factors that determine speed. • Distance & time Next Question

5. Need for Speed – 30 points • Speed in a particular direction. • Velocity Next Question

6. Need for Speed – 40 points • Formula for calculating average speed. • Distance traveled divided by time it took (d/t) Next Question

7. Need for Speed– 50 points • The factor placed on the y-axis when graphing speed. • Distance [time is on the x-axis] Next Question

8. The Force Be With You – 10 points • Forces that cause no change in speed or direction. • Balanced Next Question

9. The Force Be With You – 20 points • Forces that cause a change in speed, direction, or both. • Unbalanced Next Question

10. The Force Be With You – 30 points • The scientific unit of force. • Newton Next Question

11. The Force Be With You – 40 points • The combination of all the forces acting on an object. • Net force Next Question

12. The Force Be With You – 50 points • The net force on a rope when one dog pulls with a force of 20 N east and another dog pulls with a force of 12 N west. • 8 N east Next Question

13. Rub A Dub Dub – 10 points • A force that opposes motion between two surfaces that are in contact. • Friction Next Question

14. Rub A Dub Dub – 20 points • Name 2 types of friction that can occur due to motion of one or more objects. • Sliding, rolling, fluid friction (these are all examples of kinetic friction) Next Question

15. Rub A Dub Dub – 30 points • Friction that occurs between two objects that are not moving. • Static Friction Next Question

16. Rub A Dub Dub – 40 points • State one way you could decrease friction in a car’s engine. • Lubricant—oil, grease Next Question

17. Rub A Dub Dub – 50 points • The two factors that determine how much friction exists between two objects. • Force (how hard you push) & Roughness of the surfaces Next Question

18. A Matter of Gravity – 10 points • A measure of the force of gravity on an object. • Weight Next Question

19. A Matter of Gravity – 20 points • The scientific unit used to measure weight. • Newton (a measure of a force—gravity!) Next Question

20. A Matter of Gravity – 30 points • Gravity ___________as distance between two objects increases. • Decreases Next Question

21. A Matter of Gravity– 40 points • Calculate the acceleration of a roller coaster that goes from a speed of 0 m/s to 8 m/s in 8 seconds. • 1 m/s2 Show Work: [8m/s – 0m/s]/8 s= 1 m/s2 Next Question

22. A Matter of Gravity– 50 points • Gravity ____________as the mass of the objects increases. • Increases Next Question

23. Newton Rules – 10 points • The force that causes the speed of a falling object to slow down. • Air resistance Next Question

24. Newton Rules – 20 points • Assuming no air resistance, which will hit the ground first: a shot put or a soft ball dropped at the same time from the top of the school building? • They will hit at the same time. Next Question

25. Newton Rules– 30 points • When force increases, acceleration ___________. • Increases Next Question

26. Newton Rules – 40 points • When mass increases, acceleration _____________. • decreases Next Question

27. Newton Rules– 50 points • The tendency of an object to remain “as is” (whether at rest or in motion). • Inertia Next Question

28. Round 2 Final Jeopardy

29. Category 6– 20 points • Question • Answer Next Question

30. Category 6– 40 points • Question • Answer Next Question

31. Category 6– 60 points • Question • Answer Next Question

32. Category 6– 80 points • Question • Answer Next Question

33. Category 6– 100 points • Question • Answer Next Question

34. Category 7– 20 points • Question • Answer Next Question

35. Category 7 – 40 points • Question • Answer Next Question

36. Category 7– 60 points • Question • Answer Next Question

37. Category 7– 80 points • Question • Answer Next Question

38. Category 7– 100 points • Question • Answer Next Question

39. Category 8– 20 points • Question • Answer Next Question

40. Category 8– 40 points • Question • Answer Next Question

41. Category 8– 60 points • Question • Answer Next Question

42. Category 8– 80 points • Question • Answer Next Question

43. Category 8– 100 points • Question • Answer Next Question

44. Category 9– 20 points • Question • Answer Next Question

45. Category 9– 40 points • Question • Answer Next Question

46. Category 9– 60 points • Question • Answer Next Question

47. Category 9 – 80 points • Question • Answer Next Question

48. Category 9 – 100 points • Question • Answer Next Question

49. Category 10 – 20 points • Question • Answer Next Question

50. Category 10 – 40 points • Question • Answer Next Question