A hydraulic lift is used to jack a 970 kg car 12 cm off the, Ask an Expert

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A hydraulic lift is used to jack a 970 kg car 12 cm off the floor. The diameter of the output piston is 18 cm, and the input force is 250 N.

(a) What is the area of the input piston?

(b) What is the work done in lifting the car 12 cm? Show all work and formulas for best rating.

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