Rigid Body Motion

Rigid body motion describes how an object moves without changing shape, meaning all parts move together in a coordinated way. It can involve translation—shifting from one place to another—and rotation—spinning around an axis. Imagine a solid book moving across a table or spinning around a point; the book remains unchanged in shape and size during these movements. This concept helps us analyze how objects move in physics and engineering, ensuring their internal structure stays consistent while their position and orientation change in space.