## College Physics (4th Edition)

Published by McGraw-Hill Education

# Chapter 2 - Multiple-Choice Questions: 18

#### Answer

(d) The given information is insufficient to determine the relative magnitude of the normal force.

#### Work Step by Step

The correct answer is: (d) The given information is insufficient to determine the relative magnitude of the normal force. If the elevator is moving at a constant speed, then the magnitude of the normal force is equal to the weight W. If the elevator is accelerating upward, then the magnitude of the normal force is greater than the weight W. If the elevator is accelerating downward, then the magnitude of the normal force is less than the weight W.

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