In Newtonian Mechanics, which has been our framework until now, we have studied the equilibrium and motion of systems of points and constrained rigid bodies by making use of the Constraints postulate (see Sect. 8.6). It guarantees that the action caused by the constraints on each point in the system is representable by a suitable force, called constraint reaction.

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Lagrangian Mechanics

  • Paolo Biscari,
  • Tommaso Ruggeri,
  • Giuseppe Saccomandi,
  • Maurizio Vianello

摘要

In Newtonian Mechanics, which has been our framework until now, we have studied the equilibrium and motion of systems of points and constrained rigid bodies by making use of the Constraints postulate (see Sect. 8.6). It guarantees that the action caused by the constraints on each point in the system is representable by a suitable force, called constraint reaction.