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Question:

how a hydraulic lift works when it lifts a car up in the air?

how a hydraulic lift works when it lifts a car up in the air?

Answer:

There is nothing very complicated about this system. A small piston is used to push fluid into a large reservoir which has a large piston at the other end (by hand or by pump). Since the small piston doesn't move much fluid on each stroke, it is easy to force the liquid into the large reservoir. The large piston moves upward slowly as the reservoir fills up. The ratio of the areas of the small and large pistons determines the mechanical advantage which is being used to raise the car.
A pump, pumps oil witch pushes a ram in and out, or up and down
There is nothing very complicated about this system. A small piston is used to push fluid into a large reservoir which has a large piston at the other end (by hand or by pump). Since the small piston doesn't move much fluid on each stroke, it is easy to force the liquid into the large reservoir. The large piston moves upward slowly as the reservoir fills up. The ratio of the areas of the small and large pistons determines the mechanical advantage which is being used to raise the car.
There is a cylinder in the floor with a pipe going to a pump and a reservoir. The pump compresses oil and pushes it into the cylinder which is 1 ft in diameter. The area of the bottom of the cylinder post is about 113 sq in. (Pi* R^2) If the pump pressurizes the oil to 100 psi it can lift 11,300 pounds. Your car only weighs about 5000 pounds fully loaded so the lift can easily lift it. when they let the oil go back to the reservoir the car comes down.
A pump, pumps oil witch pushes a ram in and out, or up and down
There is a cylinder in the floor with a pipe going to a pump and a reservoir. The pump compresses oil and pushes it into the cylinder which is 1 ft in diameter. The area of the bottom of the cylinder post is about 113 sq in. (Pi* R^2) If the pump pressurizes the oil to 100 psi it can lift 11,300 pounds. Your car only weighs about 5000 pounds fully loaded so the lift can easily lift it. when they let the oil go back to the reservoir the car comes down.

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