Conceptual Physics (12th Edition)

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

Chapter 6 - Think and Explain: 49

Answer

To stop your falling body requires approximately the same impulse no matter what you do. Providing that impulse requires either a large force and a short time interval, or a small force over a long time interval. Bending your knees stops you over a longer time, reducing the impact force on your body.

Work Step by Step

This is discussed on page 94.
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