...From this, the previous equation can be expressed in the form. This is a basic equation that expresses the velocity of a moving mass point d x / dt in terms of the velocity when viewed in a rotating system, and the vector ω is called a rotating vector. By repeating the time differentiation once again, Newton's equation of motion in the original system becomes (here ω is assumed to be time-invariant). ... *Some of the terminology explanations that mention "rotation vector" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…このことから前式は,の形で表される。これは,運動する質点の速度dx/dtを回転系でみたときの速度,によって表す基本式で,ベクトルωは回転ベクトルと呼ばれる。時間微分をもう一度繰り返すことにより,元の系におけるニュートンの運動方程式は,のようになる(ここでωは時間変化しないものとした)。… ※「回転ベクトル」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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