Bodies 1,2,3,4kg are suspended at distance of 1,2,3,4m from an end of a uniform rod of weight 4kg and length of 5m .find the point above which the loaded rod which blance
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A metal bar of 70 cm long and 4 kg in mass supported on two knife edges placed 20 cm from each end. A 6 kg load is suspended at 30 cm from on end. Find the normal reaction at the knife-edge. (assume it to be of uniform cross section and homogeneous).
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