Describe the operating principle of a simple hydraulic system.

A force is applied at one point and is then transmitted to another point using an incompressible fluid.

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What can be said about the pressure in a simple hydraulic system?

The pressure in the fluid is constant throughout.

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State the equation linking force exerted, pressure and area.

force = pressure x area

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A downward force is applied to piston 1. 

Explain how piston 2 experiences a larger force.

  1. The downward force on piston 1 exerts a pressure on the fluid. 
  2. The pressure in the fluid is the same at all points. 
  3. The pressure in the fluid results in an upwards force on piston 2.
  4. The area of piston 2 is larger, so it experiences a larger force.

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