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Static Equilibrium

  1. Aug 7, 2015 #1
    1. The problem statement, all variables and given/known data

    2. Relevant equations

    Net Force = 0
    Net Torque = 0

    3. The attempt at a solution
    I know how to deal with these problems. My question is: What the word 'minimum' means here? A zero normal force over the second support point?
  2. jcsd
  3. Aug 7, 2015 #2


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    It means, how far to the right of the right support can the boy stand before there is zero reaction at the left support. IOW, when will the board become as see-saw?
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