Question
A smooth block is released at rest on a incline and then slides a distance d. The time taken to slide is n times as much to slide on rough incline than on a smooth incline. The coefficient of friction is-
The correct answer is:
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A block is kept on a friction less inclined surface with angle of inclination . The incline is given an acceleration a to keep the block stationary. Then a is equal to-
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If the sides a, b, c of a triangle are in G.P. and largest angle exceeds the smallest by 
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A block rests on a rough inclined plane making an angle 
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In 
then the triangle is.
In then the triangle is.
Two masses 
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)
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