Conceptual Physics
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41. Torques on a Plank

42. Skateboard Torques

43. Angular Movement
44. Weight/Weightlessness
45. Gravity
47. Tunnel Through Earth
49. Satellite Speed
46. Earth's Gravity
48. Ocean Tides
50. Circular/Elliptical Orbit

Good energy!


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    • 131-140
    • 141-147
  • Photo Gallery
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