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Mechanical Advantage of a Hydraulic Lift
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Emma_5484
#1 Posted : Friday, July 24, 2020 2:00:32 PM
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Hi there,

I am a bit confused on how to derive the formula for MA of a hydraulic lift. I understand the formula of MA=W/Fapplied however I am not sure how to use this formula for a hydraulic lift.

Thanks!
Emma
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INSTR_Faisal_57
#2 Posted : Monday, July 27, 2020 3:46:48 PM
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Hi Emma,

The hydraulic lift has 2 forces involved:
The force being applied on the fluid (Fapp)and,
the force of gravity (weight, w) of the object being lifted.

So you can find the mechanical advantage of a hydraulic lift by taking the ratio of those forces:
MA=w/Fapp
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