d'Alembert's principle
noun
d'A·lem·bert's principle
\¦daləm¦be(ə)rz-\
Definition of d'Alembert's principle
: a principle in mechanics: the reaction due to the inertia of an accelerated body (as a baseball) is equal and opposite to the force causing the acceleration (as the blow of a bat upon the baseball) and results in a condition of kinetic equilibrium — compare law of motion 3
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Origin and Etymology of d'alembert's principle
after Jean LeRond d'Alembert †1783 French mathematician, its formulator
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