Centre of Mass Simulation (Man+Plank)

"A man of mass stands at one end of a plank of length 4.0 m which lies at rest on a frictionless surface. The man walks to another end of the plank. Find the distance that the man moves relative to ground with this simulation."

Click Start to play simulation. Play with sliders to discover new values. All buttons are self-explanatory. Clicking Application icon will display COM interesting facts.