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Homework Help: Cat on plank

  1. Nov 26, 2007 #1
    1. Given a wooden plank mass 7 kg total lenght 4m supported by 2 sawhorses which are located l1=0.45m from left end and l2=1.5m from right end ...a cat with mass 3.9kg jumps on left end of plank and walks along to right side . How far is it from the right when plank begins to tip ?


    2. Relevant equations



    3. The attempt at a solution
     
  2. jcsd
  3. Nov 26, 2007 #2

    PhanthomJay

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    I don't see your attempt.
     
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