Physics: Principles with Applications (7th Edition)

Published by Pearson
ISBN 10: 0-32162-592-7
ISBN 13: 978-0-32162-592-2

Chapter 9 - Static Equilibrium; Elasticity and Fracture - Questions: 3

Answer

The fingers take turns supporting less weight as they alternately slide closer to the CG, and eventually meet there.

Work Step by Step

Your fingers start out on either side of the CG. As your fingers move, one of them randomly supports more of the meterstick’s weight. The other finger exerts a smaller normal force on the stick, and a correspondingly smaller frictional force. The meterstick slides more easily and that finger moves closer to the center of gravity.
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