Solution :
Given - Force =100 N
Area = 10 cm 2 = 10 X 10 -4 m2
Therefore Pressure = Force / area
= 100 / 10 X 10 -4
= 10 X 10 4 Pa
The force acting on an object perpendicular to the surface is called thrust. Therefore thrust is 100N
Thrust=Force=100N