Conceptual Physics (12th Edition)

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

Chapter 6 - Think and Explain: 56

Answer

The egg hitting the sagging sheet is gradually brought to rest over a longer time, t, than when it hits a wall. The impulse I is the same, but a smaller average force is needed when the time interval is lengthened. $$I = ft$$

Work Step by Step

This is discussed on page 94.
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