A force of 100N acts on an object with an area of contact of 16 meter square. The same force acts on another object with an area of contact 6 meter square. In which case, is the pressure exerted greater?
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Answer:
F=100
Newton Area=25 cm^2=0.0025square metre
thrust=100 N
pressure=thrust /area =100/0.0025 Newton per sq.
m =40000 pa
When force is reduced to 25 Newton changed pressure=25/0.0025
=10000 pa 1
Pascal is equal to pressure of 1 Newton per square metre.
Thrust: Force exerted by an object perpendicular to the surface
Pressure: Force exerted by an object per unit area
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