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(4)2g20. A uniform rope of mass M and length L is fixed aits upper end vertically from a rigid support. Thenthe tension in the rope at the distance I from therigid support isMg (L-I)(1) Mg L+I(2) L(3) Mg(4) Mg |
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Answer» If the chain is held vertically downward two forces will be acting along the surface of chainone of them is the mass of the chain that is mg acting vertically downward and other is the tension of chain acting vertically upward and canceling the effect of mass pulling it downwardsince acceleration is zero soF(net)=0so mass of chain is m=(L-x)T=mgm=(L-x)/L*mT=(L-x)/LM*g |
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