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Center of Gravity

  1. Apr 7, 2008 #1
    1. The problem statement, all variables and given/known data
    A box of negligible mass rests at the left end of a 1.90m, 23.5kg plank The width of the box is 75.0 , and sand is to be distributed uniformly throughout it. The center of gravity of the nonuniform plank is 50.0 from the right end.


    I am lost pls help me

    i know the torque is going to be zero, but i dont know where to go from here
     
  2. jcsd
  3. Apr 8, 2008 #2
    is Xcm equal to the fulcrum or the center of gravity?
     
  4. Apr 8, 2008 #3
    do i use the fact that torque equals zero or do i use the equation for the center of gravity..can someone just point me in the right direction?
     
  5. Apr 8, 2008 #4

    Doc Al

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    Staff: Mentor

    What is the question? Please state the complete problem exactly as it was given.
     
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