College Physics (4th Edition)

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

Chapter 10 - Conceptual Questions - Page 395: 9

Answer

At the lowest point, the tension in the cord is greater than the jumper's weight.

Work Step by Step

At the lowest point, there are two forces acting on the jumper: the gravitational force (weight) and the tension in the cord. Although the velocity is zero, the acceleration is not zero. At the lowest point, the jumper is being accelerated upward. By Newton's second law, the tension in the cord must be greater than the jumper's weight.
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