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Studiot
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#2
Jan28-13, 01:09 PM
P: 5,462
For some systems that are not in equilibrium ie moving, D'Alembert introduced a method of applying a fictitious force to bring the system to equilibrium (rest). The equations of equilibrium could then be employed to solve the system. These equations then included the fictitious force.

Centrifugal force is just such a force applied to objects executing circular motion.