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torquil
torquil is offline
#2
Nov14-10, 06:39 AM
P: 640
http://en.wikipedia.org/wiki/Lagrangian_mechanics

Quote: "Start with D'Alembert's principle for the virtual work of applied forces, \mathbf{F}_i, and inertial forces on a three dimensional accelerating system of n particles, i, whose motion is consistent with its constraints"