Essential University Physics: Volume 1 (4th Edition) Clone

Published by Pearson
ISBN 10: 0-134-98855-8
ISBN 13: 978-0-13498-855-9

Chapter 10 - For Thought and Discussion - Page 191: 9

Answer

A disk

Work Step by Step

To store the most energy at a given angular speed, it is vital to have a large moment of inertia. Since the mass is held constant, this is achieved by having most of the mass far from the center. Thus, a disk, with the majority of the mass on the outer part of the disk, would be the best option.
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