…He defined it as the product of the speed and size of an object, calling it the force of motion vis motus. Leibniz again called this force vis viva, defined it as the product of mass and the square of speed, and criticized Descartes (Wiss-Wiwa controversy). In modern classical mechanics, force is defined as the cause that is applied to an object from the outside and that causes a change in motion (acceleration), so in a sense Descartes' attitude, that is, the idea of constructing force from matter and its state of motion, can be considered the most thorough. … *Some of the terminology explanations that refer to the "Wis-Wiwa controversy" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…彼はそれを物体の速さと大きさの積として定義し〈運動の力vis motus〉と呼んだ。ライプニッツは,あらためてそうした力を〈活力vis viva〉と呼んで,質量と速さの2乗との積で定義し,デカルトを批判した(ウィス・ウィウァ論争)。現在の古典力学では,物体に外から与えられ,運動の変化(加速度)を生じさせる原因を力として定義するため,ある意味ではデカルトの態度,つまり,物質およびその運動状態から力を構成しようとする発想が最も徹底されている,と考えることができる。… ※「ウィス・ウィウァ論争」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 |
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