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 13 - For Thought and Discussion - Page 245: 6

Answer

Since this higher inertia makes the pendulum with the ball more resistant to movement, it will have a greater period than the rod pendulum.

Work Step by Step

We know that rotational inertia depends on where the mass is located. With the ball, the mass is located further from the pivot point, increasing rotational inertia. Since this higher inertia makes the pendulum with the ball more resistant to movement, it will have a greater period than the rod pendulum.
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