In the moment area method, the tangential deviation of one beam point from the tangent at another point equals the
Correct answer: A. first moment of the M divided by EI area
- A. first moment of the M divided by EI area
- B. area of the M divided by EI diagram
- C. average support reaction over the span
- D. maximum curvature multiplied by the span
Explanation
The second moment area theorem states that tangential deviation equals the first moment of the curvature diagram about the point of reference. Since curvature is M divided by EI, the relevant area is the M divided by EI diagram.
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Structural analysis determines how beams, frames, trusses and arches carry loads through reactions, shear forces, bending moments, axial forces and deflections. It covers free-body diagrams, equilibrium equations, determinacy, influence lines and methods such as slope deflection, moment distribution and virtual work, while distinguishing analysis of a structure from its design.
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