Question

A thrust of $20N$ is acting on an area of $2m^2$. How much pressure is acting on the surface?

• A. $\text{5 N}{m}^{-2}$
• B. $\text{10 N}{m}^{-2}$
• C. $\text{20 N}{m}^{-2}$
• D. $\text{40 N}{m}^{-2}$

Answer 1

The correct option is B

$\text{10 N}{m}^{-2}$

Pressure can be defined as the thrust acting per unit area.
$P=\frac{F}{A}$
$P=\frac{20}{2}$
$P=10N{m}^{-2}$