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Transverse Shear Stress in Beams — the Shear Formula
Inside this lesson
- State the shear formula τ = VQ/(I·t) and identify each symbol
- Compute Q, the first moment of area, for rectangular and symmetric sections
- Sketch the parabolic shear-stress distribution for a rectangular beam
- Explain why transverse shear and bending stress have opposite distributions
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Educational content covering topics typical of a first- and second-year mechanical engineering curriculum. Not a substitute for accredited coursework, and not suitable for real structural design without review by a licensed professional engineer.