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Science · Grades 7–8

Newton'S Laws

noun

Three fundamental laws of motion: inertia, force equals mass times acceleration, and equal and opposite reactions.

Example Sentences

"Newton's second law explains why larger forces produce greater accelerations."

"Every rocket launch demonstrates Newton's third law of motion."

Synonyms & Related Terms

laws of motion

Quick Check

Which best describes the meaning of Newton's laws?

Study Tips

To remember Newton's laws, try writing it in a sentence of your own. Connect it to something you already know about science.

Use it in conversation today — saying a word aloud three times helps lock it into long-term memory.