## The Physical Nature of Work and Kinetic Energy

**Authors:** Guido F. Nelissen

In the present textbooks the concept of ‘work’ is mathematically defined as the product of a force times its displacement, and the concept of the ‘kinetic energy’ of a moving body is in defined as the product of its mass times half the square of its velocity.
In this paper the author demonstrates that ‘work’ is the total amount of congruent translational motion that is reversibly transferred between particle systems at different velocity levels (in a given reference frame).
This means that the ‘kinetic energy’ of a body with a given velocity in a given reference frame is a mathematical expression of its total amount of reversibly transferable congruent translational motion at the given velocity level, with regard to any free body that is at rest in that same reference frame.

**Comments:** 9 Pages.

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### Submission history

[v1] 2016-10-23 09:42:40

[v2] 2017-08-21 08:59:25

[v3] 2018-01-22 14:12:03

**Unique-IP document downloads:** 95 times

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