Question

What is the formula for area in pressure

Answer 1

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Answer 2

What is the formula for area in pressure?

• Pressure and force are related, and so you can calculate one if you know the other by using the physics equation, $P=F/A$.
• Because pressure is force divided by area, its meter-kilogram-second(MKS) units are newtons per square meter, or $N/m^2$.

Pressure Formula

Simply the pressure formula is

P=F/A

Derivation

P= Pressure in Pascal

F=Force on the object

A=Area on which the force act

• Besides, we often calculate pressure for gases and fluids.
• In those conditions, the pressure of liquid or gas is equal to the density of that fluid multiplied by the acceleration due to the gravity and the height(depth) of the fluid above a certain point.

Pressure=density of fluid *acceleration due to gravity*height of the fluid coloumn

P=p*g*h

Derivation of the Pressure Equation

P=Pressure of the object (Pa)

p=is the density of the gas or fluid $(kg/m^3)$

g=is the acceleration of the object due to gravity $(9.80 m/s^2)$

h=is the height of the coloumn of gas or fluid $(m)$