Physics: Principles with Applications (7th Edition)

Published by Pearson
ISBN 10: 0-32162-592-7
ISBN 13: 978-0-32162-592-2

Chapter 8 - Rotational Motion - Misconceptual Questions: 6

Answer

Choice B.

Work Step by Step

Looking along the axis, the hollow sphere has more of its mass farther from the axis. You could imagine starting with a solid sphere and making it into a hollow sphere of the same mass and radius. You would need to use denser material and move mass farther from the axis of rotation. This increases the moment of inertia. The hollow sphere has a bigger moment of inertia than the solid sphere.
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