@structtutor: When does the moment change sign? Follow the bending moment at midspan as the 10 kN load moves. It is positive between the supports and negative on either overhang. It passes through zero when the load crosses a support. The animation assumes supports that can resist uplift. The deformation is magnified and the scales stay fixed. Try it yourself at StructTutor.com. Link in bio. #StructuralAnalysis #BendingMoment #CivilEngineering #EngineeringStudents #StructTutor

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Sunday 15 November 2026 12:59:20 GMT