Mathematics · Moment of Inertia
A symmetrical channel section has a width of its top and bottom flanges of 100 mm and a thickness of 10 mm. The web is 80 mm high between the flanges and 10 mm thick. Its moment of inertia about a centroidal axis in its plane parallel to the flanges is 449.3 × 104 mm4. Calculate its moment of inertia about a parallel axis at the top face of the upper flange.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 120.3 × 104 mm4
- 243,000 mm4
- 31149.3 × 104 mm4✓
- 41415 × 103 mm4
Correct answer
1149.3 × 104 mm4
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