Question

Force exerted by the atmosphere per unit area is called ________

Answer 1

1. The atoms of air present in the atmosphere are constantly pressing against everything that comes in its path.
2. Atoms of the air get adhered to the surface of a body and exert pressure on it.
3. Pressure exerted per unit area on a body by the air is called atmospheric pressure.

Hence, the force exerted by the atmosphere per unit area is called atmospheric pressure.