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The bending moment and the shearing stress can be obtained by which method?

(a) Bending moment

(b) Rolling method

(c) Section method

(d) Method of section

This question was addressed to me during an internship interview.

The question is from Shear and Moment Equations and Diagrams topic in section Internal Forces of Engineering Mechanics

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Right choice is (d) Method of section

To explain I would say: The design of the beam requires the knowledge of the variation of the bending moment. Because beams are the structures which are being made so as to support the loadings which are perpendicular to the axis of that structure. Thus to know these quantities we apply the method of sections so as to determine these values easily.

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