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I desperately need help

  1. Jul 9, 2009 #1
    1. The problem statement, all variables and given/known data

    i scanned the 4 problems i need help on. if you can help it would be greatly appreciated. Thanks in advance guys!

    2. Relevant equations



    3. The attempt at a solution
     

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  2. jcsd
  3. Jul 10, 2009 #2

    Hootenanny

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    We will gladly help you out, once you have provided an attempted solution.
     
  4. Jul 10, 2009 #3

    andrevdh

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    Homework Helper

    Problem 1:

    Can you apply Newton's second law to the forces (components) along the incline for the 4 kg masspiece?

    What forces acts on it and in which direction?
     
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