@structtutor: Can you predict all six diagrams before they are drawn? ✏️ Six classic cases: simply supported beam, fixed-fixed beam and cantilever — each under a point load or a uniformly distributed load. First the loads. Then shear force V and bending moment M, traced step by step. A point load causes a jump in shear and a change in the moment diagram's slope. A uniform load gives linear shear and parabolic moment. Positive V is above the axis; positive sagging M is below. Each diagram is normalized independently: compare shapes, not magnitudes. P acts at midspan for the two-support beams and at the free tip for the cantilever; w acts over the full span. Educational elastic model with ideal supports. Save this chart to revisit all six cases. #CivilEngineering #StructuralAnalysis #BendingMoment #Structures #StructTutor

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Friday 30 October 2026 23:05:14 GMT