Famous Scientific Laws

The rules of reality, in plain words

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Novice

Concept 14 of 21

settled

Newton's third law

Push on something, it pushes back, just as hard.

Definition

When one body exerts a force on a second body, the second body simultaneously exerts an equal and opposite force on the first.

Step 1

In one or two sentences, what do you think this concept means? Wrong is fine; the small struggle is what makes the answer stick.