http://www.w3.org/ns/prov#value | - as the definition says that pressure is the force acting normally in a direction perpendicular to the the object per unit area .so it mean that the force would always be perpendicular to surface of object , no matter on which side of object it is acting but it will always be perpendicular , first i was thinking that formula of pressure is F/A and force is a vector so pressure would also be a vecto
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