(a) Define pressure .
( b) What is the relation between pressure force and area ?
( c) Calculate the pressure when a force of 200 N is exerted on an are of :
10m^(2)
5m^(2)
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Explanation:
(a) The force applied is perpendicular to the surface of objects per unit area.
(b) The basic formula for pressure is F/A (Force per unit area). Unit of pressure is Pascals (Pa).
(c) F=200N, A=10m^2
pressure=F/A
=200/10
= 20 Pa
F=200N, A=5m^2
pressure=F/A
=200/5
= 40 Pa
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