English > Newton's law: 1 sense > noun 1, cognition| Meaning | One of three basic laws of classical mechanics. |
|---|
| Synonyms | Newton's law of motion, law of motion |
|---|
| Narrower | first law of motion, Newton's first law of motion, Newton's first law | A body remains at rest or in motion with a constant velocity unless acted upon by an external force |
|---|
| second law of motion, Newton's second law of motion, Newton's second law | The rate of change of momentum is proportional to the imposed force and goes in the direction of the force |
| third law of motion, Newton's third law of motion, Newton's third law, law of action and reaction | action and reaction are equal and opposite |
| Broader | law, law of nature | A generalization that describes recurring facts or events in nature |
|---|