Railways Technical Ability Engineering Mechanics and Strength of Materials Question Bank Strength of Materials

  • question_answer Which one of the following gives the correct expression for strain energy stored in a beam of length L and of uniform cross-section having moment of inertia I and subjected to constant bending moment M?

    A) \[\frac{ML}{EI}\]                                  

    B) \[\frac{ML}{2EI}\]

    C) \[\frac{{{M}^{2}}L}{EI}\]                   

    D) \[\frac{{{M}^{2}}L}{2EI}\]

    Correct Answer: D


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