Physics for Scientists and Engineers: A Strategic Approach with Modern Physics (4th Edition)

Published by Pearson
ISBN 10: 0133942651
ISBN 13: 978-0-13394-265-1

Chapter 11 - Impulse and Momentum - Conceptual Questions: 7

Answer

In both cases, the impulse that the hand exerts on the ball is the same. However, when we catch a ball with a bare hand, the time of the collision is less than the time of the collision when we use a padded glove. Since the time of the collision is less when we use a bare hand, the average force exerted by the bare hand must be greater than the average force exerted when we use a padded glove. Since the average force is less when we use a padded glove, it feels better to catch a hard ball when wearing a padded glove.

Work Step by Step

In both cases, the impulse that the hand exerts on the ball is the same. However, when we catch a ball with a bare hand, the time of the collision is less than the time of the collision when we use a padded glove. Since the time of the collision is less when we use a bare hand, the average force exerted by the bare hand must be greater than the average force exerted when we use a padded glove. Since the average force is less when we use a padded glove, it feels better to catch a hard ball when wearing a padded glove.
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