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    				| 1. | 2n"2. A bucket full of water of total mass M is pulled up using a uniform rope of mass m and lengtwork done is W=Mg+mgl/2 = (M+m/2) gl (Bucket is treated as point mass) | 
| Answer» If total Mass = M is pulled up using a uniform rope of mass m and length L and work done is W=Mgl+mgl/2= (M+m/2) gl. The ans will be 2(M+m-2) | |