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Published on Feb 17, 2010
http://www.interactivephysics.com.sg/ - Man in a lift In this simulation model, the user can control the acceleration of a lift and observe what will happen to the man and its apparent weight when the acceleration is upward, zero, or downward. If the acceleration is set to be more than 9.8 ms^2 downward, the man will lose contact with the floor of the lift and he is free falling.