point mass

English

Noun

point mass (plural point masses)

(classical mechanics) A theoretical point with mass assigned to it.

Usage notes

It is used as a model for physical objects whose other physical properties such as extent and volume do not influence the behavior of interest, as is the case with stars and planets as regards the dynamics of their relative positions and velocities.

Translations

theoretical point with mass assigned to it

Czech: hmotný bod m
Finnish: massapiste
Greek: υλικό σημείο n (ylikó simeío)

Romanian: punct material n
Swedish: punktmassa c

See also

point particle

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