Fundamentals of Physics Extended (10th Edition)

Published by Wiley
ISBN 10: 1-11823-072-8
ISBN 13: 978-1-11823-072-5

Chapter 11 - Rolling, Torque, and Angular Momentum - Problems - Page 321: 12c

Answer

The direction of the horizontal force component acting on the ball at point $Q$ is to the left.

Work Step by Step

At point $Q$, the ball is moving around a circle. The track exerts a centripetal force on the ball to keep the ball moving around in a circle. The direction of a centripetal force is towards the center of the circle. The direction of the horizontal force component acting on the ball at point $Q$ is to the left.
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