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Newton's second law

American

noun

Mechanics. one of the three fundamental laws of motion, which states that the change in the rate of momentum of an object is in direct proportion to, and in the same direction as, the force acting on it.

Example Sentences

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No amount of word salad can repeal Isaac Newton’s second law of motion, F=ma.

From Washington Post • Feb. 16, 2023

Before we can write down Newton’s second law as a simple equation giving the exact relationship of force, mass, and acceleration, we need to sharpen some ideas that have already been mentioned.

From Textbooks • Aug. 12, 2015

Tension in the rope must equal the weight of the supported mass, as we can prove using Newton’s second law.

From Textbooks • Aug. 12, 2015

In equation form, Newton’s second law of motion is a = Fnet .

From Textbooks • Aug. 12, 2015

According to Newton’s second law, these two effects will exactly cancel each other, so the acceleration will be the same in all cases.

From "A Brief History of Time: And Other Essays" by Stephen Hawking

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023