What is Pressure?
¥
Pressure (
p)
=
Force (F) per unit Area (A)
¥
Typical Units:
pounds per square inch (psi),
millibars (mb), inches
Hg
¥
Average pressure at sea-level:
¥
14.7 psi
¥
1013 mb
¥
29.92 in. Hg