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the definition of 'work'
in a river I place a rock that deflects the fast flowing water, is the rock doing work?
if so how is it's energy use conserved?
the question is really about how a seemingly static object can perform work or at least a function like deflecting a torrent of water with out actually expending any recordable energy. Yet it provides a force that deflects the energy of the water [in this example]
where does the object get the energy from to deflect water?
Last edited by quantum quack; 06-02-2005 at 04:57 AM..
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