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Application of liquid pressure in daily life

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The hydraulic lift is an example of the liquid pressure.

A hydraulic lift is used to lift the heavy loads.

If a small force f is applied on the piston of C then the pressure exerted on the liquid

P=\frac{f}{a}

Where 

a = Area of a cross-section of the piston in C

This pressure is transmitted equally to the piston of cylinder D.

So \frac{f}{a}= \frac{F}{A}\Rightarrow F= \frac{f}{a}A

Where F=Upward force acting on the piston of cylinder D.

          A=Area of a cross-section of the piston in D

 Condition of Hydraulic Lift-

A> > a\: \: therefore

F> > f

So heavy load placed on the larger Piston is easily lifted upward.

Posted by

Safeer PP

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