niú​dùn​dì​yī​yùn​dòng​dìng​lǜ

Newton's first law of motion

Senses

牛顿第一运动定律 niú​dùn​dì​yī​yùn​dòng​dìng​lǜ Newton's first law of motion

the fundamental law of physics stating that an object at rest stays at rest and an object in motion stays in motion unless acted upon by an external force

References

same_as 惯性定律/慣性定律 牛顿第一运动定律/牛顿第一运动定律