For instance, consider the I-beam section below, which was also featured in our centroid tutorial. Try to break them into simple rectangular sections. Join our specially curated JEE course to make your IIT dream come true in the upcoming JEE 2023 exam. Step 1: Segment the beam section into parts When calculating the area moment of inertia, we must calculate the moment of inertia of smaller segments. Infinity Learn has a track record of producing 20% IITians every year. Thus, the moment of inertia of the rectangular section about the line CDĭo you want to be an IITian? Well, here is the good news. The moment of inertia of the whole rectangular section about the line CD has been typically given as We would then integrate the above equation from limit 0 to limit D.
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