Symmetry of energy

: pp. 107-110
Lviv Polytechnic National University

Based on the principle of symmetry, we  propose a universal expression of the energy of  physical system. If we accept a generalized coordinate as an argument, we come to potential energy; if we accept a generalized velocity as an argument, we come to kinetic co-energy. Here, like in the variational principle, the concept of kinetic energy does not work. The examples of application relate to electromagnetic fields, electro­magnetic circuits, and mechanics of concentrated masses.

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