Physics is the branch of science that studies matter, energy, and the fundamental forces of nature. It seeks to understand how the universe behaves, from the smallest particles to the largest galaxies. Key concepts include force, energy, and motion, which help explain everything from everyday phenomena to complex cosmic events. At its core, physics is about uncovering the laws that govern the physical world. It encompasses various fields such as classical mechanics, thermodynamics, and electromagnetism, each contributing to our understanding of the universe. Through experimentation and observation, physicists strive to develop theories that can predict the behavior of matter and energy in all its forms.