Pascal's Principle
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Pascal's formula
P1 = P2 Where: P = F / A F = Force A = Area
Property of Pressure in Fluids
An external pressure exerted on a fluid is transmitted uniformly throughout the volume of the fluid. Any change in the pressure applied at any given point on a confined liquid is transmitted undiminished through out the fluid.
SAMPLE PROBLEM: In hydraulic brake, a force of 80 N is applied to a piston with area of 4 cm2 . If the piston at the wheel cylinder has an area of 8 cm2 , what is the force exerted on it?
Answer: 160 N
