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Equilibrium in two dimensions

  1. Mar 2, 2015 #1
    1. The problem statement, all variables and given/known data
    a boy on whom the force of gravity is 400 N hangs on to the middle of a rope stretched between two trees. The rope sags in such a way that it makes an angle of 170 degrees at the boys hands. what force does the rope exert on each tree?

    2. Relevant equations
    F=ma

    3. The attempt at a solution
    5 degree angle between horizontal and vertical components
     
  2. jcsd
  3. Mar 2, 2015 #2

    haruspex

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    That's not what you mean. The angle between those components is necessarily 90 degrees.
    Anyway, you have an equation to use. Create unknowns as necessary and write out the equation as it applies to this problem. (I.e., show more of an attempt!)
     
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