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: 18

Answer

A cross section of the roof is very close to an inverted catenary. Vertical columns are not needed to support the ceiling.

Work Step by Step

This is discussed on pages 234-235.
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