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A hydraulic lift in the shape of the letter U, two pistons are formed, one with a larger diameter and other with a smaller. If the diameter of the smaller piston is 4.0 cm and the diameter of the larger piston is 40.0 cm, what weight can the larger piston support when a force of 250 N is applied to the smaller piston?

  • Physics -

    Fluid pressure = Force/Area and is the same in both tubes. The tube with larger area can support 100 times more weight weight.

  • Physics -

    P on piston 1 should equal to P on piston 2

    Remember P = F/A

    Plug your values into this:

    F1/A1 = F2/A2

    The weight is same as the force because it's the only vertical force opposing it

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