Physics ~ on Instagram: "Physics is the branch of science that studies matter, energy, and the fundamental forces of nature. It explains how objects move, how energy is transferred, and how the universe behaves—from the smallest particles to the largest galaxies. Physics is divided into areas such as mechanics (motion and forces), thermodynamics (heat and energy), electromagnetism (electricity and magnetism), and modern physics (relativity and quantum mechanics). Its principles form the foundati