A frame of reference is like a set of coordinates used to describe motion or events. It’s the perspective or viewpoint from which you observe things. It helps you understand how things move or change relative to each other. For example, when you’re in a car, your frame of reference is the car itself, but if you’re outside watching the car, your frame of reference is the ground. Different frames of reference can give different descriptions of the same event.
The concept of a frame of reference is fundamental in physics, and it has evolved as our understanding of the universe has grown. Initially, the idea of a frame of reference wasn’t clearly defined. Ancient astronomers like Ptolemy used Earth as the central point (geocentric model) to explain the motion of celestial bodies. Later, Copernicus … Read more