Conceptual Physics (12th Edition)

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

Chapter 14 - Think and Discuss: 102

Answer

The amount of buoyant force on an object is the weight of the displaced fluid/air. Their volumes are the same, so the buoyant forces are the same. The buoyant force is a small fraction of the basketball's weight, so it doesn't lift the basketball off the floor. The same buoyant force acting on the light balloon has a much more noticeable effect.

Work Step by Step

This is discussed on page 271.
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