Definition:Pressure

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Definition

Pressure is the force applied perpendicular to the surface of an object per unit area over which that force is distributed.

Pressure is a scalar quantity.


Dimension

The dimension of measurement of pressure is $\mathsf {M L^{-1} T^{-2} }$.

This arises from the definition of force (of dimension $\mathsf {M L T^{-2} }$) divided by an area (of dimension $\mathsf {L^2}$).


Units

The SI unit of measurement of pressure is the pascal.

The CGS unit of measurement of pressure is the barye.

The FPS unit of measurement of pressure is the pound per square inch.


Symbol

$p$ or $P$

The usual symbol used to denote the pressure on a body is $p$ or $P$.


The $\LaTeX$ code for \(p\) is p .

The $\LaTeX$ code for \(P\) is P .


Also see

  • Results about pressure can be found here.


Sources