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 8 - Dynamics II: Motion in a Plane - Conceptual Questions: 6

Answer

I agree with neither person. The net force does not point toward the center nor parallel to the track.

Work Step by Step

I agree with neither person. The net force does not point toward the center nor parallel to the track. If an object is moving in a circle, there must be a non-zero component of acceleration toward the center of the circle. If an object moving in a circle is speeding up, there must be a non-zero component of acceleration parallel to the track. Therefore, the overall acceleration is neither toward the center nor parallel to the track. Therefore, the net force does not point toward the center nor parallel to the track.
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