1. Center of Gravity Activity Outline
Created for CVCA Physics By
Dick Heckathorn
30 December 2K+3

2. Materials Needed Meter stick + clamp large friction block
Plate, book bear on string
Clamp, bike wheel beans in glass with
earth-moon apparatus wooden spools
Map USA, Ohio ball in cup of water
Stand, pivot, clamp belt hook
Foam hanging hammer
Bat board and bottle
bird books
fisherman
double cone, incline plane
Cone shaped cups

3. 10-1
136

4. Center of Gravity of Meter Stick
Demo
Center of Gravity of Meter Stick
Plus Clamp

5. Act 2
148

6. Center of Gravity of Book
Demo
Center of Gravity of Book

7. 1 Center of Gravity
Demo
Weight on Bike Wheel

8. 2 Center of Mass
10-6
138

9. 2 Center of Mass
Demo
Center of Mass Of
Earth - Moon

10. 3 Locating Center of Gravity
Demo
Center of Mass Of
United States

11. 10-8
139

12. 3 Locating Center of Gravity
Demo
Center of Mass Of
Ohio

16. 3 Locating Center of Gravity
Demo
Center of Mass Of
Foam

17. 3 Locating Center of Gravity
Demo
Center of Mass Of
Bat

18. 10-2a
137

19. 3 Locating Center of Gravity
Demo
Center of Mass Of
Bird

20. 3 Locating Center of Gravity
Demo
Center of Mass Of
Fisherman

21. 3 Locating Center of Gravity
Concept
Development
10-1

22. 4 Toppling
10-10a
140

23. 4 Toppling
10-10b
140

24. 4 Toppling
10-10c
140

25. 4 Toppling
Demo
Incline Plane
With
Cylinder & Double Cone

26. 10-11
140

27. 10-12
140

28. 4 Toppling
Handout
Tower of Pisa

29. 10-13
141

30. 10-23
145

31. C. D Page 43 (4b)

32. 5 Stability
Investigate
Cone

33. 10-14a
142

34. 10-14b
142

35. 10-14c
142

36. 10-15
142

37. 5 Stability
Demo
Large Friction Block

38. 5 Stability
Demo
Balancing Bear

39. 10-18
143

40. 10-19
144

41. 5 Stability
Demo
Beans
Plus ?

42. 10-20
144

43. 5 Stability
Demo
Ping Pong Ball
In Cup of Water

44. 10-21
144

45. 5 Stability
Discussion
Dead Mans Curve

46. 6 Center of Gravity of People
Investigate
Tipping Over Spool

47. 6 Center of Gravity of People
Investigate
Up From Chair

48. 141

49. 6 Center of Gravity of People
Investigate
Touch Toes

50. 10-24
145

51. 6 Center of Gravity of People
Investigate
Heels Touching Wall
The Up on Toes

52. C Dev 44

53. 6 Center of Gravity of People
Investigate
Pick Up Chair

55. 10-22
145

56. Miscellaneous
Investigate
Belt Hook

57. Act 1
148

58. Miscellaneous
Investigate
Hanging Hammer

59. Act 3
148

60. Miscellaneous
Investigate
Board and Bottle
T&E 3
148

62. Miscellaneous
Investigate
Stacking Books

63. T&E 6
149

64. Discussion
Pregnant Woman

65. Application 1

66. Application 2

67. Application 3

68. Application 4

69. Application 5

70. That’s all folks!