:" Mechanics " is most often used to describe A body of physical knowlege, so we have classical mechanics ( often simply called mechanics ), quantum mechanics, statistical mechanics . . . Dynamics is used to describe the part of that body of knowlege that tells us how things change or evolve over time, so the dynamical equation of classical mechanics is Newton's second law, the dynamical equation of quantum mechanics is the Schroedinger's equation, the dynamical equations of electromagnetism are the Maxwell equations.
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:" Mechanics " is most often used to describe A body of physical knowlege, so we have classical mechanics ( often simply called mechanics ), quantum mechanics, statistical mechanics . . . Dynamics is used to describe the part of that body of knowlege that tells us how things change or evolve over time, so the dynamical equation of classical mechanics is Newton's second law, the dynamical equation of quantum mechanics is the Schroedinger's equation, the dynamical equations of electromagnetism are the Maxwell equations.
