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A hydraulic lift office chair has its seat attached to a piston with an area of 11.2 cm2 . The chair is raised by exerting forc...Asked by jill
A hydraulic lift office chair has its seat attached to a piston with an area of 11.4 cm2. The chair is raised by exerting force on another piston, with an area of 4.2 cm2. If a person sitting on the chair exerts a downward force of 220 N, what force needs to be exerted on the small piston to lift the seat?
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jill
i need help