a man of mass60kg standing on a light weighing machine kept in a box of mass30kg.the box is hanging 4m a pulley fixd to d ceiling thru a light rope,d othr end of which is held by d man himself.if the man manages to keep the box at rest,wat is the weight shown by the machine?wat force should he exert on the rope to get his correct weight on the machine?

Ankita Singh , 13 Years ago

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