Pressure and hydraulic systems

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3:45

Description

Before watching this video, please ensure that you have understood the Pressure and pressure differences in fluids topic in the Matter section.

Fluid pressure is caused by the random thermal motion of the particles within a liquid or a gas.  In this video, we’ll look at how the idea of pressure helps explain the basis of simple hydraulic machines.

Key Words

liquid, gas, pressure, force, gravitational field strength, newton, fluid, normal, right angles, perpendicular, surface, area, pascal, air pressure, hydraulic jack, hydraulic brakes