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2020-12-25 17:19:20
CORIOLIS, Gaspard Gustave
Sur le principe des forces vives dans les mouvemens relatifs des machines,' pp. 573-607 in: Mémoires présentées par divers Savants à l'Académie des Sciences de l'Institut de France, Tome III
Gauthier-Villars, Paris, 1832. KINETIC ENERGY AND INERTIAL FORCES. First edition, complete journal volume in original printed wrappers, of this important work on the theory of machines, a follow-up to his Du calcul de l'effet des machines, published in 1829 (but begun a decade earlier) in which he studied dynamical problems associated with rotating machinery. "His approach differs substantially from the usual Newtonian mechanics method used in the eighteenth century and is also quite different from the general mechanics of the nineteenth century" (Oliveira, p. 2). This paper introduced the new notion at that time of 'inertial forces' (forces d'entraînement), and also contains the calculational basis for a sequel published in 1835 in which Coriolis introduced the famous 'Coriolis force' ('Sur les Équations du Mouvement Relatif des Systèmes des Corps', Journal de l'École Polytechnique 15, pp. 142-154). But the main object of the paper is to relate the kinetic energy (forces vives) of a machine when viewed from two different inertial reference frames. He describes his result as follows: "The equation of the live forces can be applied by entering the relative speeds, and the amounts of action or of work that also relate to relative motions. But in these amounts of action, also, forces that are immediately given and that contribute at the absolute moment, others must be considered whose nature is easy to indicate: they are opposite the forces that ought to be applied to the material points of the system if they were free, to force them to conserve compared to the moving planes t … [Click Below for Full Description]
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