The post includes 27-Two Practice problems for Ixy for a trapezium. The first problem is for Ixy about an external axis, while the second is for Ixy at the CG.
Two Practice problems for polar of inertia for trapezium. The first problem is for Jo and Ko at an external axis, The second is for Jo and Ko at the CG.
Steel beam posts-part-3b, posts are from 24 to post 28. The main subject is the deflection, there are solved problems for deflaction and design of built up beam.