College Physics (4th Edition)

Published by McGraw-Hill Education
ISBN 10: 0073512141
ISBN 13: 978-0-07351-214-3

Chapter 4 - Multiple-Choice Questions - Page 147: 19


The correct answer is: (a) less than $g$

Work Step by Step

The correct answer is: (a) less than $g$ Let $F$ be the force of air resistance which is directed upward while the ball is on the way down. We can find the acceleration: $\sum F = ma$ $mg-F = ma$ $a = g-\frac{F}{m} \lt g$ The magnitude of the acceleration is less than $g$
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