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# instead of cables, a hydraulic lift raises an elevator weighing 2.5 killoNewtons. The input piston has a 2 cm diameter and the lift piston has a 28...

instead of cables, a hydraulic lift raises an elevator weighing 2.5 killoNewtons. The input piston has a 2 cm diameter and the lift piston has a 28 cm diameter. What minimum force must be applied to the input piston?