Conceptual Physics (12th Edition)

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

Chapter 12 - Reading Check Questions (Comprehension) - Page 240: 15

Answer

Long and wide horizontal slabs of stone are not strong under tension, and can break when supporting a load. Vertical supporting columns reduce the load supported by these horizontal lengths of stone.

Work Step by Step

This is discussed on page 234.
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