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A block has been placed on an inclined plane with the slope angle e, block slides down the plane at constant speed. The coefficient of kinetic friction is equal to (a) sin q (b) cos q (c) g (d) tan q



A block has been placed on an inclined plane with the slope angle e, block slides down the plane at constant speed. The coefficient of kinetic friction is equal to


        (a)    sin q


(b)    cos q


        (c)    g     


(d)    tan q


Grade:11

1 Answers

Navjyot Kalra
askIITians Faculty 654 Points
8 years ago

        (d)

When the block slides down the plane with a constant speed, then the inclination of the plane is equal to angle of repose (q).

Coeff. of friction = tan of the angle of repose = tan q.

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