Conceptual Physics (12th Edition)

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

Chapter 9 - Think and Explain: 68

Answer

During the jump, when the cable is slack, the only force acting on the jumper is gravity. The jumper feels weightless because s/he is in fee fall and there is no support force.

Work Step by Step

This is discussed on page 166.
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