Essential University Physics: Volume 1 (3rd Edition)

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

Chapter 11 - For Thought and Discussion: 11

Answer

Please see the work below.

Work Step by Step

We know that the high starting torque or moment on the rotor has an equal and opposite effect on the stator body which is felt at starting only. Once the rotor picks up speed, the torque reduces and the twisting is not felt. The twisting you feel is due to conservation of angular momentum.
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