角かく運うん動どう量りょう保ほ存ぞんの法ほう則そく

noun

law of conservation of angular momentum

A fundamental principle in physics stating that the total angular momentum of a closed system remains constant in the absence of external torque.

• 角かく運うん動どう量りょう保ほ存ぞんの法ほう則そくは、フィギュアスケートのスピンでよく説せつ明めいされる。

  The law of conservation of angular momentum is often explained using a figure skater's spin.