Physics Technology Update (4th Edition)

Published by Pearson
ISBN 10: 0-32190-308-0
ISBN 13: 978-0-32190-308-2

Chapter 11 - Rotational Dynamics and Static Equilibrium - Problems and Conceptual Exercises - Page 371: 87

Answer

a) toward the left b) option II

Work Step by Step

(a) We know that when the block is allowed to fall then the block moves towards the left. (b) We know that the best explanation is option (II) -- that is, the wheel has the greater moment of inertia and unwinds more slowly than the disk.
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