Answer
b) is correct.
Work Step by Step
The moment of inertia of each object is: $$I_A=10m_0r_0^2$$ $$I_B=2m_0(2r_0)^2=8m_0r_0^2$$ $$I_C=m_0(3r_0)^2=9m_0r_0^2$$
Therefore, $I_A\gt I_C\gt I_B$. b) is correct.
Physics (10th Edition)
by Young, David; Stadler, Shane
Published by
Wiley
ISBN 10:
1118486897
ISBN 13:
978-1-11848-689-4
Chapter 9 - Rotational Dynamics - Focus On Concepts - Page 242: 10
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