Why do hydraulics systems use liquids?
Liquids are used in hydraulic systems because they are incompressible.
How can hydraulic systems be used as force mulipliers?
Hydraulic systems can be used as force multipliers because the pressure on both sides is equal but the force is multiplied if the cross sectional area is larger on one side than the other.
P=F/A
P=pressure in pascals (N/m^2)
F=force in newtons
A=cross sectional area in metres squared
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