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Hydraulics are fundamentally a means of transmitting force and movement from one point to another via a liquid which is free of gas and is therefore incompressible.

The other considerable advantage of this system is that pressure = force divided by area. This means that if the slave cylinder at the working end has twice the surface area on top of the cylinder than that of the master cylinder, then it is moved with twice the force but only travels half the distance. This means of generating a mechanical advantage whilst transmitting the force to a point remote from where it is applied makes it extremely useful.

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15y ago
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Q: What are hydraulics an how do they work?
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