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Homework Help: Calculate resultant increase in length of a 5mm long roof tie CAN SOMEONE HELP ME !

  1. Jan 24, 2009 #1
    the question is:-

    calculate the resultant increase in lenth of a 5m long roof tie rod made of 25mm diameter steel when subject to a tensile load of 80 KN. (assume E=210KM/mm2)

    does anybody know how to solve this or what the calculation is that i gotta use? help apprecited thanks in advance!
     
  2. jcsd
  3. Jan 24, 2009 #2

    mgb_phys

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