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10 June, 01:23

A hydraulic lift is used to lift a heavy box that is pushing down on a 1.5-m2 piston with a force of 1,700 N. What force needs to be exerted on a 0.12-m2 piston to lift the box?

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  1. 10 June, 01:43
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    136 N

    Explanation:

    Pressure on large piston = pressure on small piston

    F₁ / A₁ = F₂ / A₂

    1700 N / 1.5 m² = F / 0.12 m²

    F = 136 N
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