Fundamentals of Physics Extended (10th Edition)

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

Chapter 6 - Force and Motion-II - Questions: 6


Initially, the frictional force is directed up the ramp. When force F increases from zero, the frictional force flips and is directed downwards. As the magnitude of force F increases, the magnitude of the frictional force increases.

Work Step by Step

When the block is stationary on the ramp, friction is acting against gravity, parallel to the ramp. When force F is applied, the frictional force flips sides and acts, against force F, down the ramp. As force F increases, the frictional force increases with it.
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