How Does a Trolley Jack Work?

Answer

A trolley jack is basically a type of hydraulic system .A hydraulic system involves a Force being applied at one point and then transmitted to another point using an incompressible fluid. This force is multiplied in the process. In the hydraulic system two pistons are fitted into the two glass cylinders filled with oil and connected to one another with an oil-filled pipe. If a downward force is applied to one piston then the force is transmitted to the second piston through the oil in the pipe and since oil is incompressible, the efficiency is very good -- almost all of the applied force appears at the second piston. The great thing about hydraulic systems is that the pipe connecting the two cylinders can be any length and shape, allowing it to snake through all sorts of things separating the two pistons.
2 Additional Answers
A trolley jack refers to a hydraulic system which involves a force being applied at one point then it is transmitted to another point by an incompressible fluid. The force is multiplied in the process. In the system, two pistons are fitted into the two glass cylinders that are filled with oil and are connected to one another with an oil-filled pipe. When a downward force is applied to one of the pistons, the force is transmitted to the second one through the oil in the pipe and because oil is incompressible, the efficiency is normally good.
The Trolley Jacks Work by the science of fluid dynamics. Using the Pascal’s law of partial pressure, we can successfully lift a car or any other heavy object, with a simple turning of the lever. The relative partial pressure in the two pistons used, makes it possible to apply a small amount of pressure on one piston, and get a large output on the other.
Q&A Related to "How Does a Trolley Jack Work"
1. Park the car on an even surface. A paved driveway or garage floor is best. A trolley jack will not work well when used on uneven ground, or on a grassy or gravel surface. 2. Set
http://www.ehow.com/how_2342092_lift-car-using-tro...
1 Block the wheels opposite of the end you are jacking. If jacking the rear, block the front wheels with 2x4 or bricks. If the car is a manual, put it in reverse - the engine will
http://www.wikihow.com/Lift-a-Car-Using-a-Trolley-...
There is none. They are synonymous.
http://wiki.answers.com/Q/What_is_difference_betwe...
Normally takes the form of a small screw valve near to the where the pump hande attachs and is often operated by removing the pump handle and engaging it in a slot on the srew part
http://uk.answers.yahoo.com/question/index?qid=201...
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