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2 A hydraulic elevator is lifted by a 12 in. diameter cylinder under which oil is pumped (Figure P2,2), Determine the output pressure of the

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2 A hydraulic elevator is lifted by a 12 in. diameter cylinder under which oil is pumped (Figure P2,2), Determine the output pressure of the pump as a function of z if the weight of the elevator and occupants is 1800lbf. Take the specific gravity of the oil to be 0.86. The elevator cylinder does not contain oil. Fluid Statics 81 FIGURE P2.2

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