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Force density
In fluid mechanics, the force density is a vector field representing the flux density of the hydrostatic force within the bulk of a fluid. Force density is represented by the symbol f, and given by the following equation, where P is the pressure:
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The force on a differental volume element dV of the fluid is:
Thus, the force density at a point in a fluid determines the acceleration of the fluid at that point.
10-26-2009 08:16:03
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The contents of this article is licensed from www.wikipedia.org under the GNU Free Documentation License. Click here to see the transparent copy and copyright details