Conceptual Physics (12th Edition)

Published by Addison-Wesley
ISBN 10: 0321909100
ISBN 13: 978-0-32190-910-7

Chapter 8 - Think and Rank: 53

Answer

B, A, C.

Work Step by Step

The solid ball has most of its mass closer to a rotational axis passing through its center and has the least rotational inertia relative to its own mass. It will have the greatest acceleration and wins the race. The solid disk is next. Finally, the hoop has its mass the farthest from the axis and will have the least acceleration. This is discussed on page 138.
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