expression, noun
law of inertia
Physics term; refers to Newton's first law of motion. Used in scientific and educational contexts.
慣性の法則は、外部から力が加わらない限り、物体はその運動状態を保つというものです。
The law of inertia states that an object maintains its state of motion unless an external force acts upon it.
Compound of 慣性 (inertia) + の (possessive particle) + 法則 (law). 慣性 is a modern scientific term coined from kanji meaning 'accustomed' and 'nature'.