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Why is the jack so small that it can lift the car? Pascal's law.In short, in the container At one of the places, the pressure of the small piston is used, and the large piston will produce a force change of the area ratio of the small piston. If the area of the large piston is 10 times the area of the small piston, the force acting on the large piston will increase. It is 10 times larger than a small piston. Read More