MECHANICAL THEORY

What is Pressure, Absolute Pressure and Vaccum Pressure

Pressure:It is defined as the ratio of Force acting per unit Area of cross section.

Pressure(P)=F/A

· Measurement of pressure is done by manometer.

· Absolute Pressure=Atmospheric pressure+Gauge pressure

Absolute Pressure=Atmospheric pressure-Vaccum Pressure.

=> Vaccum Pressure = Atmospheric Pressure-Absolute Pressure.

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