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   sci.physics.research      Current physics research. (Moderated)      17,516 messages   

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   Message 16,035 of 17,516   
   Phillip Helbig (undress to reply to Heath   
   Re: Conservation of momentum   
   28 Feb 18 08:33:26   
   
   From: helbig@asclothestro.multivax.de   
      
   In article <48f3e183-ba4b-4158-adfd-88aaf2a7a754@googlegroups.com>, John   
   Heath  writes:   
      
   >>> when it comes to spinning a box from   
   >>> within it seems nature will look the other way if a bribe in the   
   >>> currency of energy is payed. Apparently the universe does not feel a   
   >>> need to spin counter clockwise if a box is spinning clockwise.   
      
   > You are in a box in space and both yourself and the box are not rotating   
   > relative to the stars that can be seem out the window. You now step on a   
   > turn table spin yourself clock wise CW. This causes the box to turn   
   > counter clock wise , CCW .   
      
   If one causes the other, then there must be some link between the two.   
      
   > You are turning CW and the box CCW. Angular   
   > momentum has been conserved. I will ask you to put an elastic band   
   > between your thumbs then allow your hands to spread out caused by your   
   > CW spin. Lock the elastic band in the stretched position. Check mate as   
   > you just bribed nature with the currency of energy , stretched elastic   
   > band. As you were on a turn table when you did this the spinning of the   
   > box was not effected.   
      
   Why not?  Why is it affected in the first case and not in the second?   
      
   > As long as you have a locked stretched elastic   
   > band in your hand the total angular momentum of yourself and the box can   
   > not be restored to zero without violating energy conservation laws.   
   >   
   > I have an open mind to a counter argument.   
      
   See above.   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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