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Internal Indeterminate truss

  1. Mar 26, 2017 #1
    1. The problem statement, all variables and given/known data
    In this problem , it's a Internal Indeterminate truss .

    2. Relevant equations


    3. The attempt at a solution
    So , I remove one of the redundant member , AC and solve the problem .
    For the first part , I found the real force first . for the second part , I apply the virtual unit force at AC .....I gt my ans = 2.28 , but the ans given is 1.62 . I have checked thru my working many time s, yet I still cant find my mistake , can someone help please??
     

    Attached Files:

  2. jcsd
  3. Mar 27, 2017 #2
    Is my question not clear enough or i am posting at the wrong section ?
     
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