This page highlights Sir Isaac Newton's contributions to physics and mathematics, focusing on his Laws of Motion, the Law of Universal Gravitation, and his Theory of Color. Newton's First Law describe...This page highlights Sir Isaac Newton's contributions to physics and mathematics, focusing on his Laws of Motion, the Law of Universal Gravitation, and his Theory of Color. Newton's First Law describes the inertia of objects, the Second Law establishes the relationship between force, mass, and acceleration (F=ma), and the Third Law states that for every action, there is an equal and opposite reaction.