Answer Happy

4. A hollow structural steel flexural member (Fig. 4a) is subjected to the load shown in Fig. 4b. Determine the normal and shear stresses at points H and K, as shown Fig. 4b. Show these stresses on a stress element for each point. 0.25 in 25 in. 4 in 2 in 1.5 in. Fig. 4a Fig. 4b