anonymous
  • anonymous
From Lecture 5 of 8.01 Classical Mechanics, Fall 1999, the professor talks about perceived gravity at about 24:50. He says that it is always in the opposite direction of the pull. But isn't gravity always downwards?
OCW Scholar - Physics I: Classical Mechanics
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katieb
  • katieb
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anonymous
  • anonymous
Downwards? The direction of the gravity is to de Center of Mass|dw:1351866645910:dw|
anonymous
  • anonymous
Is in direction opposite to the pull because de vertical component of the pull is upright, perpendicular to Earth surface
anonymous
  • anonymous
But wouldn't gravity always come in the same direction if you're spinning? |dw:1351901532768:dw|

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anonymous
  • anonymous
The centripetal force is due to rotation, but gravity always points to the center of mass. On Earth, the composition of all forces due to rotation compounds the Coriolis force. But this is very small compared with force of gravity. Moreover, the directions you painted indicate no force. I don't know what they are

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