A 200-lb block is at rest at 30 degree incline. The coefficient of friction between the block and the incline is 0.20. Compute the value of the horizontal force P that will cause motion to impend up the incline.

A 200-lb block is at rest at 30 degree incline. The coefficient of friction between the block and the incline is 0.20. Compute the value of the horizontal force P that will cause motion to impend up the incline.

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter5: More Applications Of Newton’s Laws

Section: Chapter Questions

Problem 61P

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Newton’s Third Law of Motion

The horse pulls the cart and the cart pulls the horse in response as per Newton third law. So the big question is, “Don’t the two forces cancel each other? How does the cart accelerate?”

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A 200-lb block is at rest at 30 degree incline. The coefficient of friction between the block and
the incline is 0.20. Compute the value of the horizontal force P that will cause motion to
impend up the incline.

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