C1 Center of Mass Motion

This section contrasts motion of and around the center of mass of simple moving objects.

Articles
Image	Title
	C1-01: CENTER OF MASS MOTION - BARBELL Demonstrate motion of the center of mass of an asymmetric object.
	C1-02: CENTER OF MASS MOTION - PLUMBER'S HELPER Illustrate the motion of the center of mass of an irregularly-shaped object.
	C1-03: CENTER OF MASS MOTION - CLOWN Illustrate rotation about the center of mass of an irregular object.
	C1-04: CENTER OF MASS - BEAR ON TIGHT ROPE Show stability in system where the center of mass is outside of the object.
	C1-11: AIR TRACK - CENTER OF MASS PENDULUM Show uniform motion of the center of mass of a vibrating pendulum/glider system.
	C1-12: AIR TRACK - CENTER OF MASS OF COUPLED GLIDERS Demonstrate uniform motion of the center of mass of an oscillating system.
	C1-13: AIR TRACK - REDUCED MASS Demonstrate the change in frequency for two-body oscillations.
	C1-21: AIR TABLE - TOPPLING STICK Illustrate how a rigid rod topples on a frictionless surface.