Question

What Is pressure?

Answer 1

1. Pressure is defined as the physical quantity, it is the force applied perpendicular to the surface of objects per unit area.

2. Pressure (P) = $\frac{\text{Thrust}}{Area}$ .

3. The SI unit of pressure is pascal(Pa).

4. One pascal can be defined as a force of one newton applied over a surface area of a one-meter square.

5. Atmospheric air applies a pressure on the surface of the earth called atmospheric pressure.