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 - Misconceptual Questions: 2

Answer

Choice D.

Work Step by Step

If an object is in equilibrium, the net torque must be zero when calculated around any selected axis. This is stated on page 234. If it weren’t, the object would not be in equilibrium, for it would begin rotating about that axis. Usually, an axis is selected that facilitates the calculation.
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