Principle of Relativity

The Principle of Relativity states that the laws of physics are the same for all observers, regardless of their relative motion. This means whether you are sitting still or moving fast, the basic rules governing how things behave—like gravity and motion—are consistent. It implies that no particular viewpoint is "special" or unique; all are valid. This principle is foundational in both classical physics and Einstein's theory of relativity, shaping our understanding of how space, time, and gravity interact in the universe.