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Homework Help: Fluid mechanics proof

  1. Feb 18, 2007 #1
    Can someone help me with this proof
    1. The problem statement, all variables and given/known data

    2. Relevant equations

    3. The attempt at a solution

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  2. jcsd
  3. Feb 18, 2007 #2


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    Well, Cartese away first, and we'll help you if you stumble! :smile:
  4. Feb 18, 2007 #3
    I would recommend starting by supposing F is made up by three components, F_1 , F_2 ,F_3 then just expand out the left hand side!

    It is tidous but you will see it will fall out

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