Force and Pressure — Question 9

Given:
Pressure = 20000 Pa
Area = 1 cm² = $\dfrac{\text{1}}{\text{10000}}$ = 0.0001 m² or 10^-4 m²
Thrust = ?

Pressure = $\dfrac{\text{Thrust}}{\text{Area}}$
Thrust = Pressure x Area
= 20000 x 10^-4
= 2 N

So Thrust = 2 N.