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Homework Help: Mechanical Principles Factor of Safety Help?

  1. Nov 21, 2015 #1
    Hi, I'm currently puzzled on a question as I don't have/know the equation required to find the answer. The question is as follows:-

    Several sections of the structure are to be held together using bolts, determine the suitability of the proposed material given the following:
    The material for the bolt shown in the angled joint has an ultimate tensile strength of 542MPa and a shear strength of 331MPa. The diameter of the bolt is 15mm, force applied is 14KN and the bolt is at a 70degree angle.
    Identify the factor of safety in operation; showing all stages of the calculation.
    Any help would be greatly appreciated. Question.jpg
  2. jcsd
  3. Nov 21, 2015 #2


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    Gold Member

    You have to find the actual loads on the bolt. Then you divide the ultimate strengths by the actual loads to obtain FoS.
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