Question

an object of weight W is resting on an inclined plane at an angle ¶ to the horizontal. the coefficient of static friction is my. find the horizontal force needed to just push the object up the plane​

Answer 1

Answer:

As it is asked for the minimum force required to push the body up the incline plane. it must be equal to the net maximum force acting along the plane of incline.

So from the free body diagram, net force along the incline surface is μmgcosθ−mgsinθ

So $$F >= μmgcosθ−mgsinθ$$

∴F min = μmgcosθ−mgsinθ

Explanation:

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