Quote:
Originally Posted by OccultHawk
Everything on earth is being pulled to the center of the earth same as a ball in transition from rising to falling so why isn’t everything at rest considered to have nonzero acceleration?
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The surface of the earth exerts a force upward that balances out gravity. No such force acts on a ball in midair that is about to plunge downward.
Newton's second law basically.
EDIT: Should we move this to the spam thread or something so it doesn't clog this thread up?