A child swings to and fro on a playground swing. If the child stands rather than sits, the time for a to-and-fro swing is
A) unchanged.
B) lengthened.
C) shortened.

Name: A child swings to and fro on a playground swing. If the child stands rather than sits, the time for a to-and-fro swing is A) unchanged. B) lengthened. C) shortened.
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Question

Quizplus · Accepted Answer

Standing raises the child's center of mass, effectively shortening the pendulum length, which decreases the period of the swing.

A Child Swings to and Fro on a Playground Swing