Physics (10th Edition)

Published by Wiley
ISBN 10: 1118486897
ISBN 13: 978-1-11848-689-4

Chapter 8 - Rotational Kinematics - Check Your Understanding - Page 209: 14


The arrows could not represent (b) centripetal acceleration.

Work Step by Step

The arrows could not represent centripetal acceleration, because the direction of centripetal acceleration is always toward the center of rotation, which is the axle here. Both tangential velocity and acceleration could be represented by any of the arrows at those points, because their direction is perpendicular with the rotation circle, as shown by the arrows.
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