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Old 5th Mar 2006, 08:46
  #66 (permalink)  
bookworm
 
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Originally Posted by MustangFlyer
(b) Low pressure "pulls" something up (see NASA site for this explanation ... they should know better). Air does not suck. It has no attactive force whatsoever (well I suppose there is a little gravity or some interactions between oxygen atoms and the metal of the wing .. sod all of anything).
I'm not sure it's helpful to be too precious about the use of the word "suck". In its original meaning, it's about creating lower pressures within the body to cause forces towards the mouth on objects outside the body. No attractive forces are involved.
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