What are classical, theoretical, Lagrangian, and Hamiltonian mechanics? Is it useful to know them as a mechanical engineer? - Quora

Answer (1 of 4): Classical mechanics usually refers to the mechanics of macroscopic objects i.e. anything that does not require a quantum description. It sometimes refers also to Newtonian mechanics which relies on forces to describe the systems it studies. Namely the central tennants are Newton'

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Can quantum physics be studied without classical physics? - Quora

Solved 2. (40 points) (Lagrangian and Hamiltonian dynamics.)

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classical mechanics - Is there a proof from the first principle that the Lagrangian $L = T - V$? - Physics Stack Exchange

SOLUTION: Classical Mechanics d'alembert's Principle And The Lagrangian - Studypool

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