Conceptual Physics (12th Edition)

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

Chapter 13 - Think and Discuss: 112

Answer

a. A floating object displaces its own weight of fluid. The buoyant force is the same in each case. b. The buoyant force equals the weight of the swimmer. The buoyant force equals the weight of the displaced fluid. Saltwater has a higher density than fresh water. Less saltwater will be displaced by her, which means more of her is above the surface.
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