center of gravity

…The line segments connecting each vertex of a tetrahedron to the center of gravity of the opposite side pass through the center of gravity of the tetrahedron and are divided internally at this point in a ratio of 3:1. [Minoru Nakaoka] (2) Center of gravity in mechanics The point of application of the resultant force of gravity acting on each part of an object. It is also called the center of mass. …

*Some terminology explanations that mention "center of gravity" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…四面体の各頂点を対面の重心に結ぶ線分は四面体の重心を通り，この点で3：1の比に内分される。【中岡 稔】(2)力学の重心center of gravity　物体の各部分に作用する重力の合力の作用点。質量中心center of massともいう。…

※「center of gravity」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報