Question

find out the mathematical expression of mechanical advantage of hydraulic press ?

Answer 1

Explanation:

In the diagram below a force of 20 N is applied to the input piston. Pascal's law tells us that that force is then applied equally throughout the jack. So now the output piston is being pushed upward with a force of 20 N. (If we calculate the pressure (see below) we find the pressure is 20 Pa on each side.)

You will recall that a pascal is 1N of force spread over a square meter. Notice that the output piston has a larger area than the input piston so the amount of force it receives ends up being much larger than the force in the input piston. This creates a mechanical advantage

Answer 2

Answer:

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