Conceptual Physics (12th Edition)

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

Chapter 7 - Think and Explain: 56

Answer

There is no force exerted in the horizontal direction of motion, so, using the physics definition of work, we conclude that no work has been done.

Work Step by Step

This is discussed on pages 110-111.
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