- Equations for surface force Surface force due to pressure
- Examples Pressure related surface force
- See also
Surface force denoted fs is the force that acts across an internal or external surface element in a material body. Surface force can be decomposed into two perpendicular components: normal forces and shear forces. A normal force acts normally over an area and a shear force acts tangentially over an area.
Equations for surface force
Surface force due to pressure
, where f = force, p = pressure, and A = area on which a uniform pressure acts
Examples
Pressure related surface force
Since pressure is 
, and area is a 
,
a pressure ofover an area of
will produce a surface force of
.
See also
- Body force
- Contact force
3 : Classical mechanics|Fluid dynamics|Force
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