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Physics
Classical Physics
Mechanics
Centripetal acceleration problem (box sitting on a table)
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[QUOTE="Physics guy, post: 6470067, member: 686981"] Let me imagine a box placed on a table. It has got no acceleration. If I were a person who trusted Newton's laws then I would argue that the net force on the box should be zero. Now in another situation I am an observer outside the Earth and I see that the box is rotating along with the earth, so it should have a centripetal acceleration and gravity provides it...but in the previous case, gravity was canceled by the normal reaction. So shouldn't the centripetal force also be zero. Please explain where I went wrong. [/QUOTE]
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Forums
Physics
Classical Physics
Mechanics
Centripetal acceleration problem (box sitting on a table)
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