Conceptual Physics (12th Edition)

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

Chapter 15 - Think and Explain: 80

Answer

A chimney undergoes more frequent and extreme temperature changes than other parts of the building, and therefore more extreme changes in expansion and subsequent contraction. If it is bearing the weight of other parts of the building that do not undergo similar size changes, then relative movement may take place. Tearing, friction, and and sags may occur.
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