центр тяжести angolul

barycenter▼(physics: center of a mass)
noun

center of gravity▼(point, near or within a body, at which the object's mass can be assumed to be concentrated)
noun
[UK: ˈsen.tə(r) əv ˈɡræ.vɪ.ti] [US: ˈsen.tər əv ˈɡræ.və.ti]

centroid [centroids]▼(mean position of points in a geometrical figure, see also: center of gravity; barycenter)
noun
[UK: sˈentrɔɪd] [US: sˈentrɔɪd]