a uniform steel bar 10 m long of weight 1000 N is supported by two vertical wires at points 1 m from each end. weight of 2000 N and 4000 N are hung at 2 m and 2.5 m respectively from each end. make a sketch of the force acting on the steel bar

Two pans of a balance are 24.1 cm apart. the fulcrum of the balance has been shifted 1.33 cm away from the center by a dishonest shopkeeper. by what percentage is the true weight of the goods being marked up by the shopkeeper? assume the balance has negligible mass. answer in units of %.