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A man of mass 50 kg is pulling on a plank of mass 100 kg kept on a smooth floor as shown with force of 100 N. If both man & plank move together, the force of friction acting on man is `(100)/(x)`N. What is x ? |
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Answer» Correct Answer - 3 N If the blocks are not sliding w.r.t each other than they can be considered one system `F - f = 3a` maximum value of a = 0 `F - 0.1 xx 3kg xx10ms^(-2)=0` F = 3N |
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