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Torque forces

  1. Apr 12, 2015 #1
    1. The problem statement, all variables and given/known data
    http://tinypic.com/r/24mua0h/8

    2. Relevant equations
    i've done all parts except question 3, which i'm not sure. is it because the fulcrum is providing an upward force to keep the load in the air?

    3. The attempt at a solution
     
  2. jcsd
  3. Apr 12, 2015 #2

    haruspex

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    Tell us what you think.
     
  4. Apr 12, 2015 #3
    i think it's the fulcrum that is providing an upward force, keeping it in equilibrium
     
  5. Apr 12, 2015 #4

    haruspex

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    Right.
     
  6. Apr 12, 2015 #5
    Thank you for your help
     
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