Newton's first law

Proper noun

 * 1)  The observation that objects in motion tend to stay in motion, and objects at rest tend to stay at rest unless an outside force acts upon them.

Translations

 * Chinese: Newton第一定律 (Newton dì-yī dìnglǜ)
 * Finnish: Newtonin ensimmäinen laki
 * Indonesian: hukum Newton pertama
 * Portuguese: primeira lei de Newton
 * Russian: