noun
- A body remains at rest or in motion with a constant velocity unless acted upon by an external force.
- synonyms: first law of motion, Newton's first law
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). newton's first law of motion. Retrieved October 1, 2026, from http://smartdefine.org/newton%27s_first_law_of_motion/definitions/1297446 |
| Chicago | WordNet. 2010. "newton's first law of motion" http://smartdefine.org/newton%27s_first_law_of_motion/definitions/1297446 (accessed October 1, 2026). |
| Harvard | WordNet 2010, newton's first law of motion, Smart Define, viewed 1 October, 2026, <http://smartdefine.org/newton%27s_first_law_of_motion/definitions/1297446>. |
| MLA | WordNet. "newton's first law of motion" 23 October 2010. Web. 1 October 2026. <http://smartdefine.org/newton%27s_first_law_of_motion/definitions/1297446> |