What is atmospheric pressure?

Atmospheric pressure is defined as the force per unit area exerted against a surface by the weight of the air above that surface. Even tiny air molecules have some weight. So a huge number of molecules (which have much more weight) that form the atmosphere, would exert some pressure below. This pressure is nothing but atmospheric pressure.

Some examples of atmospheric pressure are air pressure present inside the car, A traveling airplane, slipping a drink using a straw, etc.

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Updated on: 10-Oct-2022

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