LESSON 21 -- 16/11/2022
Schema della sezione
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2 exercises on Lagrangian formalism: Lagrangian (with gravitational, elastic, centrifugal potentials), equilibria, their stability, first integrals. Normal form of Lagrange equations for mechanical Lagrangians (with detailed proof). Cyclic coordinate (definition). Equilibria and stability for mechanical Lagrangians (if q* is a strict local minimum of the potential energy then (q*,0) is a stable equilibrium, with proof). Video of lecture 21:
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