College Physics (7th Edition)

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

Chapter 8 - Rotational Motion and Equilibrium - Learning Path Questions and Exercises - Conceptual Questions - Page 302: 19

Answer

Torque is required to change rotational kinetic energy.

Work Step by Step

Like force in linear terms, torque is required to bring about a change in rotational kinetic energy. With change in torque, angular velocity is changed, hence rotational kinetic energy is changed.
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