Question

Define pressure and write its SI unit.

Answer 1

1. The thrust on the unit surface area is called pressure.
2. Alternately, the force acting per unit area of a surface acting in a direction normal (or perpendicular) to it is called pressure.
3. Si unit:- $\raisebox{1ex}{$N$}\!\left/ \!\raisebox{-1ex}{$m^{2}orN{m}^{-2}orPascal\left(Pa\right)$}\right.$