A 60 kg weight is dragged on a horizontal surface by a rope up to 2 meters. If coefficient of friction is 
, the angle of rope with the surface is 60° and 
, then work done is
Text Solution
Verified by ExpertsThe correct answer is:
B
Let body is dragged with force P, making an angle 60° with the horizontal.
Kinetic friction in the motion = 
From the figure 
and 
⇒ ⇒ 
⇒ ⇒ 
Work done 
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