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Tension between two objects hanging

  1. Nov 18, 2006 #1
    diagram

    How do we determine the tension of the string in the middle of the two objects? Let the tensions be T_1, T_2, and T_3, left to right:

    I tried

    [tex]\sum F_x = T_2 - \cos \theta T_1 = 0[/tex]
    [tex]\sum F_y = \sin \theta T_1 - mg = 0[/tex]

    for the other object it is similar. Is there something wrong with this? I can calculated T_2 without regard to the other object. Should I not include both the objects in F_y? thanx!
     
  2. jcsd
  3. Nov 18, 2006 #2

    radou

    User Avatar
    Homework Helper

    If T2 is the tension in the middle string, this looks just okay.
     
  4. Nov 18, 2006 #3
    ok, got it! thanx!! :-)
     
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