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Physical Science

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A dentist’s chair with a patient in it weight 2100N. The output plunger of a hydraulic system begins to lift the chair, when the dentist’s foot applies of 55N to the input piston. Neglect any height difference between the plunder and the piston. What is the ratio of the radius of the plunger to the radius of the piston?

  • Physical Science -

    ratio of radii = √(ratio of areas)

    ratio of forces is inverse of ratio of areas

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