1D40.12: ROTATION ABOUT THE CENTER OF MASS

DEMONSTRATES: The motion of the center of mass of an irregularly-shaped object.

EQUIPMENT: Plunger or baseball bat with center of mass marked.

DESCRIPTION: The center of mass of the plumber's helper is located by a piece of tape. When the object is thrown through the air with some rotation, the center of mass moves in a smooth parabolic arc.

COMMENTS: