1.

A 60 kg weight is dragged on a horizontal surface by a rope upto 2 metres. If coefficient of friction is \[\mu =0.5\], the angle of rope with the surface is 60° and \[g=9.8\,m/{{\sec }^{2}}\], then work done is                                    [MP PET 1995]

A.                         294 joules                 
B.                         315 joules            
C.                         588 joules                 
D.                           197 joules
Answer» C.                         588 joules                 


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