Question

What is atmospheric pressure and cause of atmospheric pressure?
Please tell me in short

Answer 1

the pressure exerted by the weight of the atmosphere, which at sea level has a mean value of 101,325 pascals (roughly 14.6959 pounds per square inch) is known as atmospheric pressure.

Atmospheric pressure is caused by the weight of the atmosphere pushing down on itself and on the surface below it. Pressure is defined as the force acting on an object divided by the area upon which the force is acting.

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Answer 2

Atmospheric pressure is the pressure exerted by atmosphere on per unit area .

Atmosphere is made up of many layers such as troposphere , stratosphere , etcs . they exert pressure