energy

Japanese: energy
energy

...In English it's called energy.
[Development of energy concepts]

[Work and Mechanical Energy]
The concept of energy was established in the second half of the 19th century, but the concept of work, which is closely related to it, has a much longer history. As early as the 1st century AD, Heron of Alexandria stated that when it comes to work done by machines such as levers and pulleys, gains in force are offset by losses in speed or distance traveled.

*Some explanations of terms that mention "energy" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…英語ではエナージーenergyという。
【エネルギー概念の発展】

[仕事と力学的エネルギー]
 エネルギーの概念が確立したのは19世紀後半であるが,これと深いかかわりをもつ仕事の概念の歴史はずっと古く,すでに紀元1世紀ごろ,アレクサンドリアのヘロンは,てこや滑車などの機械による仕事について,力に関する利得が速さまたは移動距離に関する損失で帳消しにされるということを述べている。…

※「energy」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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