Analysing Pascal's Principle: Transmission of pressure in liquid

Liquid pressure can be used to transfer energy from one place to another. Have you ever wondered how this idea is being adopted in some of the machines such as hydraulic garage lift, hydraulic car jacks and excavator?

Transmission of Pressure in a Liquid
1. The molecules in a liquid are quite close and in contact with each other. As a result, liquids are practically incompressible.

2. When a piston is pushed in by a force, F, a pressure is applied to the water.

Pressure, P = F /A , A = cross sectional of the piston.

3. The applied pressure is transmitted uniformly throughout the water in accordance with Pascal's principle.

4. Pascal's principle states that pressure exerted on an enclosed liquid is transmitted equally throughout the liquid.

5. Pascal's principle is also known as the principle of the transmission of pressure in a liquid.

6. Pascal's principle is important for the understanding of hydraulics, the study of transfer of forces through liquids.

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