We present a derivation of the Lagrangian for a system of relativistic particles, starting from d'Alembert's principle. We follow the virtually forgotten derivation of Pars, using generally accepted notation, while introducing some new steps in the derivation and clarifying others.
CITATION STYLE
Nađđerđ, L. J., Davidović, M. D., & Davidović, D. M. (2014). A direct derivation of the relativistic Lagrangian for a system of particles using d’Alembert’s principle. American Journal of Physics, 82(11), 1083–1086. https://doi.org/10.1119/1.4885349
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