Pressure (symbol: p or P) is the force per unit area applied to an object in a direction perpendicular to the surface. Gauge

pressure is the pressure relative to the local atmospheric or ambient pressure. Pressure is an effect which occurs when a

force is applied on a surface.

Formula:

where:

**p** is the pressure,

**F** is the normal force,

**A **is the area.

Pressure is a scalar quantity, and has SI units of pascals; 1 Pa = 1 N/m2, and has EES units of psi; 1 psi = 1 lb/in2.

Pressure is transmitted to solid boundaries or across arbitrary sections of fluid normal to these boundaries or sections at

every point. It is a fundamental parameter in thermodynamics and it is conjugate to volume.

Source: WikipediA

pressure is the pressure relative to the local atmospheric or ambient pressure. Pressure is an effect which occurs when a

force is applied on a surface.

Formula:

where:

Pressure is a scalar quantity, and has SI units of pascals; 1 Pa = 1 N/m2, and has EES units of psi; 1 psi = 1 lb/in2.

Pressure is transmitted to solid boundaries or across arbitrary sections of fluid normal to these boundaries or sections at

every point. It is a fundamental parameter in thermodynamics and it is conjugate to volume.

Source: WikipediA

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