first law of motion

1. 1.

   a body remains at rest or in motion with a constant velocity unless acted upon by an external force

   SynonymsNewton's first law of motionNewton's first law

   BroaderNewton's law of motion

Questions about first law of motion

What does first law of motion mean?

first law of motion means "a body remains at rest or in motion with a constant velocity unless acted upon by an external force".

What is another word for first law of motion?

Close synonyms include Newton's first law of motion, Newton's first law. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.