College Physics (4th Edition)

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

Chapter 3 - Conceptual Questions - Page 108: 11

Answer

An object moving in uniform circular motion has a constant speed but a velocity that continuously changes since the direction of motion continuously changes.

Work Step by Step

An object moving in uniform circular motion has a constant speed but a velocity that continuously changes since the direction of motion continuously changes. When an object is moving in uniform circular motion, that is moving in a circle at a constant speed, the speed is constant. However, the direction of motion is constantly changing as the object moves around the circle. Therefore, the velocity is not constant.
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