<P> Pressure is the amount of force applied perpendicular to the surface of an object per unit area . The symbol for it is p or P . The IUPAC recommendation for pressure is a lower - case p . However , upper - case P is widely used . The usage of P vs p depends upon the field in which one is working , on the nearby presence of other symbols for quantities such as power and momentum , and on writing style . </P>
<P> Pressure is the amount of force applied perpendicular to the surface of an object per unit area . The symbol for it is p or P . The IUPAC recommendation for pressure is a lower - case p . However , upper - case P is widely used . The usage of P vs p depends upon the field in which one is working , on the nearby presence of other symbols for quantities such as power and momentum , and on writing style . </P>
force per unit area is a measure of
force per unit area is a measure of
Pressure
Pressure