Bending Stresses in I-Section with Unequal Flanges - Problem 19 | Strength of Materials ...

Описание: Question : A cast iron bracket subjected to bending has the cross-section of an I-form with unequal flanges. The dimensions of the section are shown in the figure. Find the position of the neutral axis and moment of inertia of the section about the neutral axis. If the maximum bending moment on the section is 40 kNm, determine the maximum bending stress. What is the nature of the stress?

In this video, we solve Problem 19 on Bending Stresses in Beams under Strength of Materials. This question focuses on analyzing an I-section beam with unequal flanges, helping you understand how to:

✅ Locate the neutral axis of unsymmetrical sections
✅ Calculate the moment of inertia about the neutral axis
✅ Determine the maximum bending stress in the beam
✅ Identify the nature of stress (tensile or compressive)

This step-by-step solution is ideal for students preparing for engineering exams, university entrance tests, and competitive exams in Mechanical and Civil Engineering. By the end of this tutorial, you’ll be confident in applying the bending equation to complex beam sections in real-world engineering applications.

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