Synonyms for Newton's third law refer to the fundamental principle in physics that every action has an equal and opposite reaction. Some synonyms for Newton's third law include "action and reaction," "equal and opposite," "cause and effect," "reciprocal force," and "counterforce." These synonyms all refer to the basic idea that any force exerted on an object will result in an equal and opposite force acting on the source of that force. Newton's third law is essential in understanding how forces and motion work in the natural world and influences everything from the behavior of atoms to the forces that shape our universe.
