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

  • question_answer At a certain section at a distance 'x' from one of the supports of a simply supported beam, the intensity of loading, bending moment and shear force are \[{{\text{W}}_{x}},{{M}_{x}},\] and \[{{V}_{x}},\] respectively, if the intensity of loading is varying continuously along the length of the beam, them the invalid relation is:

    A) \[Slop,\,\,{{Q}_{x}}=\frac{Mx}{Vx}\]   

    B) \[{{V}_{x}}=\frac{dMx}{dx}\]

    C) \[{{W}_{x}}=\frac{{{d}^{2}}Mx}{d{{x}^{2}}}\]                 

    D) \[{{W}_{x}}=\frac{d{{V}_{x}}}{dx}\]

    Correct Answer: A


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