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A 2.50 kg block rests on an incline. When the angle of the incline is increased...

A 2.50 kg block rests on an incline. When the angle of the incline is increased to 300 above the horizontal the block starts to move.

a. Draw a free body diagram.  

Find the following:

b The Normal force acting on the block.

c. The frictional force acting on the block.

d. The minimum coefficient of friction for the block to remain at rest on the incline.  

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