Thermodynamics and Energy


The Physical Nature of Linear Momentum

Authors: Guido F. Nelissen

The principles of the conservation of 'linear momentum' and the conservation of 'energy' are the corner stones of the present theory of physics. The true nature of these concepts and the underlying physical mechanisms of their conservation have, however, never been properly cleared out. Even the great European physicists, Descartes, Leibniz and D'Alembert had lengthy discussions on whether 'kinetic energy' or 'linear momentum' were the true property considered by the conservation laws. In the present physics the linear momentum of a body is mathematically defined as the product of its mass and its velocity and its conservation is explained as a consequence of Newton’s first law of motion. In this paper the author reveals the physical nature of the linear momentum of a moving particle system and the physical reason for its conservation in the absence of external interactions.

Comments: 8 Pages.

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Submission history

[v1] 2016-10-23 09:29:27
[v2] 2017-08-21 08:53:10

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