Physics for Scientists and Engineers: A Strategic Approach with Modern Physics (3rd Edition)

Published by Pearson
ISBN 10: 0321740904
ISBN 13: 978-0-32174-090-8

Chapter 6 - Dynamics I: Motion Along a Line - Conceptual Questions: 5

Answer

There are two forces acting on the elevator. The force of gravity points straight down. The tension force from the cable points straight up. Since the elevator is moving at a constant speed, the acceleration is zero. Therefore, the net force is zero and the magnitude of the two forces must be equal.
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Work Step by Step

There are two forces acting on the elevator. The force of gravity points straight down. The tension force from the cable points straight up. Since the elevator is moving at a constant speed, the acceleration is zero. Therefore, the net force is zero and the magnitude of the two forces must be equal.
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