Question

A block of mass 4 kg rests on an inclined plane. The
inclination to the plane is gradually increased. It is found
that when the inclination is 3 in 5, the block just begins to
slidedown the plane. The coefficient of friction between the
block and the plane is
(a) 0.4 (b) 0.6
(c) 0.8 (d) 0.75.

Answer 1

Answer:

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By: Tamilini