Definition of Newton's first law

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

Definition of Newton's first law

1. Noun. (physics) The observation that objects in motion tend to stay in motion, and objects at rest tend to stay at rest unless an outside force acts upon them. ¹

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Lexicographical Neighbors of Newton's First Law

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Newton's cradle
Newton's disk
Newton's first law
Newton's first law of motion
Newton's flaming laser sword
Newton's interference colours
Newton's law
Newton's law of gravitation
Newton's law of motion
Newton's rings
Newton's second law
Newton's second law of motion
Newton's theory of gravitation
Newton's third law
Newton's third law of motion
Newton hearing

Literary usage of Newton's first law

Below you will find example usage of this term as found in modern and/or classical literature:

1. Lessons in Elementary Physics by Balfour Stewart (1895)
"We commence with Newton-s first law, which asserts that If a body be at rest it will remain so unless acted on by some external force, or if it be in motion ..."

2. Caloric: Its Mechanical, Chemical, and Vital Agencies in the Phenomena of Nature by Samuel Lytler Metcalfe (1843)
"In regard to what is called Newton-s first law of motion, various and opposite opinions have been entertained. By Leibnitz and other philosophers of the ..."

3. Elementary Treatise on Natural Philosophy by Augustin Privat-Deschanel (1883)
"This is Newton,s first law of motion, and is stated by him in the following terms:— " Every body continues in its state of rest or of uniform motion in a ..."

4. Mechanical and Refrigerating Engineers' Handy Book by Otto Luhr, Henius, Emil Theodore 1885-, Emil Theodore Henius (1913)
"Newton,s First Law of Motion. — Every body persists in its state of rest or uniform motion in a straight line, unless it be compelled by some force to ..."

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