University Physics with Modern Physics (14th Edition)

Published by Pearson
ISBN 10: 0321973615
ISBN 13: 978-0-32197-361-0

Chapter 9 - Rotation of Rigid Bodies - Problems - Discussion Questions - Page 294: Q9.13


See explanation.

Work Step by Step

Entry B in the table tells you how to calculate the moment of inertia of a rod of length L when it is rotated about an end, $I = \frac{1}{3}ML^2$. One may consider the rectangular plate in entry D to be a rod of length a, in which case the formula gives $I = \frac{1}{3}Ma^2$.
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