Physics for Scientists and Engineers: A Strategic Approach with Modern Physics (4th Edition)

Published by Pearson
ISBN 10: 0133942651
ISBN 13: 978-0-13394-265-1

Chapter 19 - Work, Heat, and the First Law of Thermodynamics - Stop to Think 19.4 - Page 525: 1

Answer

Decrease.

Work Step by Step

When the steel plate is heated, thermal expansion occurs and the steel expands in all directions. As a result, steel structure near the hole will take up spaces inside the hole. The hole would be smaller than before the expansion, and its diameter would therefore decrease.
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