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: 5


Choice A.

Work Step by Step

If the child leans forward, her center of mass moves closer to the pivot point of the seesaw. This decreases her lever arm, and the torque she applies on the seesaw decreases. The seesaw is no longer in equilibrium. The torque she applies has decreased and she will rise.
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