Essential University Physics: Volume 1 (3rd Edition)

Published by Pearson
ISBN 10: 0321993721
ISBN 13: 978-0-32199-372-4

Chapter 12 - For Thought and Discussion: 2

Answer

Pushing a circular clock from rest and causing it to move but not rotate.

Work Step by Step

Since the object is not beginning to rotate around the central axis, we know that the sum of the torques is 0. However, it is not in static equilibrium since it is beginning to be accelerated by the person pushing it.
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