3. THIS IS

4. Enjoy Circular Motion & Gravitaion Your

5. 100 200 300 400 500 Going in Circles Centripetal Force Torque Law of Gravitation Vocabulary Assorted

6. Spinning motion of a body A 100

7. What is rotational motion? A 100

8. The type of motion experienced by someone in a Ferris wheel car. A 200

9. What is circular motion? A 200

10. The velocity of an object moving around in a circular path. A 300

11. What is tangential velocity (circular velocity)? A 300

12. The direction of the tangential velocity vector with respect to the circular path in which an object moves (or with respect to centripetal force acting on the object). A 400

13. What is tangent to the circle? (or perpendicular to the centripetal force acting on the object) A 400

14. Angular motion is measured in these units. (There are 2 π of these in a full circle.) A 500

15. What are radians (rad)? A 500

16. The units of centripetal force. B 100

17. What are Newtons (N)? B 100

18. Centripetal force is directed here. B 200

19. What is towards the center of the circle? B 200

20. Racetrack designers make sure the curves are produced in this manner to generate centripetal force needed to help the cars stay on the path. B 300

21. What is banked? B 300

22. Acceleration of an object directed toward the center of the circular path in which it moves.. B 400

23. What is centripetal acceleration? B 400

24. The centripetal force needed to keep the moon orbiting the Earth is equivalent to this force. B 500

25. What is gravitational force? B 500

26. Torque is a force that does this. C 100

27. What is twist, turn or rotate an object? C 100

28. The tool used to apply torque to a bolt. C 200

29. What is a wrench ? C 200

30. Torque depends on two things: a force, and a ______arm. C 300

31. What is the lever arm? C 300

32. DAILY DOUBLE C 400 DAILY DOUBLE Please don’t Wager!

33. The torque lever arm is the perpendicular distance from this axis to the direction of the force applied. C 400

34. What is the rotational axis? C 400

35. The units of torque. C 500

36. What are Newton-meters or Foot-pounds? C 500

37. Scientist developed a Universal Law of Gravitation. D 100

38. Who is Sir Isaac Newton? D 100

39. These are two factors of objects related to their gravitational attraction for one another. D 200

40. What are mass and distance from each other? D 200

41. The force of gravitational attraction between two objects is directly proportional to this. D 300

42. What is mass? D 300

43. This is how much the gravitational force of attraction decreases as the distance between two objects doubles. D 400

44. What is by a factor of four? D 400

45. 6.67259 x 10 -11 N m 2 /kg 2 is the value of this number associated with calculations of the force of gravitational attraction. D 500

46. What is G, the Universal Gravitational constant (constant of proportionality)? D 500

47. The average position of an object’s mass. E 100

48. What is the center of mass? E 100

49. Constant tangential speed. E 200

50. What is uniform circular motion? E 200

51. The average location of the weight of an object. E 300

52. What is the center of gravity? E 300

53. This quantity measures the resistance to a change in rotational motion. E 400

54. What is the moment of inertia? E 400

55. This adjective describes the motion of a body as it shifts from one point in space to another. It normally takes place in straight line. (Non physics definition: related to a job of converting speech from one language to another.) E 500

56. What is translational? E 500

57. This helps cause the tides. F 100

58. What are the gravitational forces exerted by the Earth and its moon? F 100

59. This scientist used a torsional balance to calculation the Universal gravitational constant. F 200

60. Who is Lord Henry Cavendish? F 200

61. If you swing a ball attached to a string in a circle above your head, and the string breaks, this causes the ball to fly off ’s in a straight line path. F 300

62. What is the ball’s inertia? F 300

63. This is said of satellites that are in orbit around the Earth. (and causes astronauts on the ISS to be weightless). F 400

64. What is they are in a continual state of free fall? F 400

65. Einstein didn’t believe that gravity was a force at all, but a curve or distortion in this. F 500

66. What is the shape of space- time (“fabric of space”)? F 500

67. The Final Jeopardy Category is: Einstein’s Gravity Please record your wager. Click on screen to begin

68. Einstein’s theory that describes gravity as a distortion of the shape of space-time. Click on screen to continue

69. What is The General Theory of Relativity? Click on screen to continue

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