Answer Happy

can you please help me figure out 4.9
Fig. P4.7 Fig. P4.8 4.9 through 4.11 Two vertical forces are applied to a beam of the cross section shown. Determine the maximum tensile and compressive stresses in portion BC of the beam. 3 in. 3 in. 3 in. 8 in. in. 6 in. 1 in. 6 in. 1 in. 2 in. 7 15 kips 4 in. 15 kips 25 kips 25 kips A BV D VC D -60 in. 60 in. 40 in. 20 in. 40 in. Fig. P4.9 20 in. Fig. P4.10 10 mm 10 mm IIII 10 KN 50 mm سلسل B D 10 mm - 250 mm 50 mm 150 mm 150 mm Fig. P4.11