Question 3 a. b. Calculate the second moment area of the section shown about an axis Y - Y through the centroid. 100 mm 120 mm 20 mm 20mm X ➜ [20mm Calculate the radius of curvature of the neutral axis when a bending moment of 25 KNm is acting on the section. E= 206 GPa www. www

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Bending Moment

In general, we can define the bending moment as the reaction induced when a certain amount of load or force is applied to an element which makes it bend.