Conceptual Physics (12th Edition)

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

Chapter 13 - Think and Explain: 80

Answer

The buoyant force on the swimmer will decrease as she swims deeper.

Work Step by Step

The buoyant force on an object equals the weight of the displaced fluid. As the swimmer swims deeper into the water, she becomes slightly smaller due to the increased pressure, and displaces less fluid. The buoyant force on her decreases. A human body, unlike the rock in Q79, can be compressed by increasing water pressure.
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