Question

What is the expression for pressure on a liquid in a hydraulic jack?

Answer 1

Answer:

Pascal's law states that the pressure of a gas or liquid exerts force equally in all directions against the walls of its container. The force is measured in terms of force per unit area (pounds per square inch—psi). ... Liquids are only slightly compressible and in hydraulic systems this property can often be neglected..

Answer 2

Explanation:

This is represented by rearranging the pressure formula P = F/A, to F = PA. That's called 'Pascal's Principle', and allows a hydraulic lift to generate large amounts of FORCE from the application of a small FORCE. Assume a small piston ( one square inch area ) applies a weight of 1 lbs. to a confined hydraulic fluid.

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