Question

What do you understand by the term atmospheric pressure?

Answer 1

1. The atmosphere of the earth has an average height of 300 Km.
2. The mass of the air present in the atmosphere exerts pressure on the earth's surface and the bodies present on the earth's surface.
3. The force or thrust exerted by the air on the unit surface area of earth is called “atmospheric pressure”.
4. The magnitude of the average atmospheric pressure on the surface of the earth is of the order of 10⁵ N/m².