? asked in Science & MathematicsPhysics · 1 decade ago

The maximum gauge pressure in a hydraulic lift is 16.8 atm.?

What is the largest size vehicle (kg) it can lift if the diameter of the output line is 25.6 cm?

2 Answers

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  • O-360
    Lv 6
    1 decade ago
    Favorite Answer

    The area of the "output line" (also known as the lift cylinder) is:

    D = 25.6 cm = .256m

    The area is:

    A = π*D^2/4 = .0515 m^2

    A standard atmosphere is 101.325 kPa = 101.325 kN/m^2

    The pressure is: 16.8*101.325*10^3 = 1.702*10^6 N/m^2

    The maximum lift is just less than:

    F = P*A = 1.702*10^6*.0515 = 87.6 kN, or 87600 N

    This is 87600/9.8 = 8941 kg

  • pevey
    Lv 4
    4 years ago

    "pooper's" logic became sturdy, yet his conversion ingredient for atm to Pa (N/m²)became off 3 orders of cost; a million atm ? one 0 one.3 kPa word the "ok", kilo, meaning one thousand So multiply his answer via one thousand

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