Question

The force acting perpendicular to the surface is called and the thrust acting per unit area is called .

• A. pressure
• B. thrust
• C. force
• D. volume

Answer 1

Answer: (A), (B)

The correct options are
A pressure
B thrust

Pressure is defined as the thrust acting per unit area.
Thrust is the force acting perpendicular to the surface.
$\text{Pressure}=\frac{\text{Thrust}}{\text{Area}}$