1. (noun) one of three basic laws of classical mechanics

• newton's law
• newton's law of motion

1. (noun) one of three basic laws of classical mechanics

• first law of motion
• newton's first law
• newton's first law of motion
• law of action and reaction
• newton's third law
• newton's third law of motion
• third law of motion
• newton's second law
• newton's second law of motion
• second law of motion

1. (noun) one of three basic laws of classical mechanics

• law
• law of nature