College Physics (7th Edition)

Published by Pearson
ISBN 10: 0-32160-183-1
ISBN 13: 978-0-32160-183-4

Chapter 5 - Work and Energy - Learning Path Questions and Exercises - Multiple Choice Questions - Page 172: 16

Answer

(c) When the pendulum's potential energy is a minimum.

Work Step by Step

Total energy = Kinetic energy + Potential energy. Speed is maximum when kinetic energy is maximum, hence potential energy is a minimum. Also, acceleration is maximum at the end points, where the speed is zero at that point of time. So, option (c) is correct.
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