70-XX Mechanics of particles and systems {For relativistic mechanics, see 83A05, 83C10; for statistical mechanics, see 82-XX} 72052
70Gxx General models, approaches, and methods in mechanics of particles and systems [See also 37-XX] 4829
70G10 Generalized coordinates; event, impulse-energy, configuration, state, or phase space for problems in mechanics 1303