Question

What is the unit of pressure?

• A.
• B.
• C.
• D. Nm

Answer 1

The correct option is A

Pressure is defined as force per unit area.
Unit of force is Newton (N) and unit of area is $m^2$.
$\therefore$Unit of pressure is $N{m}^{-2}$.
1 $N{m}^{-2}$ = 1 pascal.