Which Law of Motion explains the action-reaction pair of forces. The first, second or third?

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The third law of motion, also known as Newton's third law of motion, explains the action-reaction pair of forces. It states that for every action, there is an equal and opposite reaction. In simpler terms, it means that whenever an object exerts a force on another object, the second object exerts an equal and opposite force on the first object.

To find this information, you can either consult a physics textbook or search for "Newton's laws of motion" online. The third law specifically addresses the concept of action-reaction pairs. By understanding the three laws proposed by Sir Isaac Newton, you can determine which law explains the action-reaction pair of forces.