Physics is a natural science that deals with the fundamental principles of the universe, encompassing the study of matter, energy, space, time, and the interactions between them. It seeks to understand the underlying laws and mechanisms that govern the behavior of the physical world, from the smallest particles of matter to the vastness of the cosmos.

In essence, physics is the study of the fundamental nature of reality and attempts to provide explanations and predictions for various phenomena observed in nature. Physicists use mathematical models, experiments, and observations to formulate theories and laws that describe and explain the physical phenomena observed in the universe.