A hydraulic jack is a mechanical device that is used to lift a heavy weight by applying force through a hydraulic cylinder. Hydraulic jacks are most commonly used in the Automobile industry to lift vehicles from the ground. There are two types of hydraulic jacks- trolley hydraulic jacks and bottle hydraulic jacks. Both of these jacks perform the same function but have differences in their functioning and making.
Pascal’s law is applied to calculate the force of a hydraulic jack. Two pistons inside a cylinder that mainly work for lifting heavy weight are what hydraulic jacks consist of. The bigger cylinder and small cylinder are connected. The small piston will force the fluid to lift the big piston. The two ball valves work like a check valve that allows flow and stop while pumping.
Pressure = Force X Area
When a bar is inserted to the handle socket and pumping motion is enforced, the hydraulic fluid is forced by the piston and will go through a one-way valve, and then the fluid force acting to the bottom of the bigger cylinder and the ram will go upwards. The other valve is blocked so pressurized fluid can’t back until it is unscrewed. This is how the hydraulic jack works.
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