Conceptual Physics (12th Edition)

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

Chapter 36 - Review Check Questions (Comprehension): 13


When the disk is rotating, metersticks laid along the circumference are moving parallel to their length, and undergo length contraction. The measured circumference shrinks. When the stick is placed along a radius, it is not moving parallel to its length, and does not suffer length contraction.

Work Step by Step

This is discussed on page 694, and shown in Figure 36.12.
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