Conceptual Physics (12th Edition)

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

Chapter 13 - Think and Explain: 79

Answer

The buoyant force on the rock will remain the same as it sinks.

Work Step by Step

The buoyant force on an object equals the weight of the displaced fluid. As long as the rock is fully submerged, it displaces the same volume of water at any depth. Water's density does not vary appreciably with depth.
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