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			i read the question....thought about it..decided that the rotation of the wheels nullified the movement of the treadmill..then i decided to wait to see what Happy Monkey would say, and knew i was right when he agreed. 
  
  
the only way this scenario works out to no forward movement, and thence no lift is if the wheels are locked, and fastened tight to the surface. 
  
as happy monkey said.  it's a trick question
		 
		
		
		
		
		
		
			
				__________________ 
				This body holding me reminds me of my own mortality 
Embrace this moment, remember 
We are eternal, all this pain is an illusion ~MJKeenan
			 
		
		
		
		
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