Essential University Physics
Essential University Physics
4th Edition
ISBN: 9780134988559
Author: Wolfson, Richard
Publisher: Pearson Education,
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Chapter 5.3, Problem 5.3GI

You whirl a bucket of water around in a vertical circle and the water doesn’t fall out. A Newtonian explanation of why the water doesn’t fall out is that (a) the centripetal force mv2/r balances the gravitational force; (b) there’s a centrifugal force pushing the water upward; (c) the normal force plus the gravitational force together provide the downward acceleration needed to keep the water in its circular path; or (d) an upward normal force balances gravity.

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Chapter 5 Solutions

Essential University Physics

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