section_path: Rigid-body motion and rotation
section_name: Rigid-body motion and rotation
paragraph_text: Rigid-body motion and rotation
  
  A rigid body is an object whose size is too large to neglect and which maintains the same shape over time. In Newtonian mechanics, the motion of a rigid body is often understood by separating it into movement of the body's center of mass and movement around the center of mass.