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Question

A small ball of mass m is kept on a rough inclined surface of inclination theta in an elevator. The elevator goes up with uniform velocity v and the block doesn't slide on the wedge. The work done by the force of friction on the block in time t will be 1) 0 2) mgvt cos^2θ 3) mgvt sin^2θ 4) mgvt sin2

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Solution

99996114985-0-0

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