Question

Define pressure with formula and unit. ​

Answer 1

Pressure—the effect of a force applied to a surface—is a derived unit, obtained from combining base units. The unit of pressure in the SI system is the pascal (Pa), defined as a force of one Newton per square meter. The conversion between atm, Pa, and torr is as follows: 1 atm = 101325 Pa = 760 torr.

Pressure is defined as the physical force exerted on an object. The force applied is perpendicular to the surface of objects per unit area. The basic formula for pressure is F/A (Force per unit area). Unit of pressure is Pascals (Pa).

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Answer 2

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Pressure is defined as the force excerted on unit surface area of the container.

Pressure = force/ area

The si unit of Pressure is pascal.

Bar is the common unit of Pressure and torr is its lowest unit .

Generally Pressure of a gas is expressed in atmospheric Pressure

1atm = 760 torr = 1.013 × 10^5 pascal

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