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Newton’s laws of motion
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Title page of Isaac Newton's Philosophiae Naturalis Principia Mathematica, 1687, featuring large Latin text and publication details in a bordered layout. Silhouette of a teen boy shooting a basketball toward a hoop outdoors with the sun setting behind him.
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Newton's third law of motion explained
complex system Two elephants pull a log in opposite directions with equal force, keeping the log stationary to illustrate Newton's law that balanced forces result in no movement.
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Newton’s laws of motion summary
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Italian-born physicist Dr. Enrico Fermi draws a diagram at a blackboard with mathematical equations. circa 1950.
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Nicolaus Copernicus. Nicolas Copernicus (1473-1543) Polish astronomer. In 1543 he published, forward proof of a Heliocentric (sun centered) universe. Coloured stipple engraving published London 1802. De revolutionibus orbium coelestium libri vi.
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Italian physicist Guglielmo Marconi at work in the wireless room of his yacht Electra, c. 1920.
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Title page of Isaac Newton's Philosophiae Naturalis Principia Mathematica, 1687, featuring large Latin text and publication details in a bordered layout.
Isaac Newton's three laws of motion The title page of Isaac Newton's Philosophiae Naturalis Principia Mathematica (1687; Mathematical Principles of Natural Philosophy), the work in which the physicist introduced his three laws of motion.

Newton’s laws of motion

physics
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Newton’s laws of motion, three statements describing the relations between the forces acting on a body and the motion of the body, first formulated by English physicist and mathematician Isaac Newton, which are the foundation of classical mechanics. Newton’s first law states that if a body is at rest or moving at a constant speed in a straight line, it will remain at rest or keep moving in a straight line at constant speed unless...

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