# Definition:Particle

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## Definition

A **particle** is a representation of an object in the physical university which is idealized as having no magnitude.

That is, it is modelled as being a mass concentrated at a single point.

## Also known as

A **particle** is also referred to as a **point mass** or **mass-point** if it important to emphasise the fact that it has a definite mass.

## Historical Note

The concept of a **particle** as a **mass** concentrated at a **point** was first explicitly introduced by Leonhard Paul Euler in $1736$.

## Sources

- 1972: George F. Simmons:
*Differential Equations*... (previous) ... (next): $\S 3$: Appendix $\text A$: Euler - 1992: George F. Simmons:
*Calculus Gems*... (previous) ... (next): Chapter $\text {A}.21$: Euler ($1707$ – $1783$)