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

Answer

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.
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.