Question

↬ " alt="what \: is \: psi \:?" align="absmiddle" class="latex-formula">​

Answer 1

$\large \underline{ \boxed{ \tt \red{Pounds \: per \: square \: inch}}}$

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( PSI ) is a measurement of pressure in the Imperial system of measurement.

• PSI is commonly used to measure the pressure of gasses (pneumatic pressure) or liquids (hydraulic pressure).
• PSI is also used as a measure of tensile strength, defined as resistance to pulling forces, and elastic modulus strength, defined as resistance to deformation, which controls the stiffness of materials.

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