Question

Would like the solution for the failure criteria for points A,C, and D

E -15" B 9 Х A 근 1200 lt P= 100 psi .15" 100 lb

Answer 1

Solution for the failure criterion of point A,C,D Solution 15" C 1200 lb. y. 154 x 100 lb R=2./" 4: 211 O and also 12001b to poine ó' at Cross Transferring loads of 100lb to poine o' get section at at oftewisting moments = T-400x/5 = 1500 lb-in. (Pending momero Me 1200 x3 = 3600 lb in. To M-360 alb as Q 1200 on A and c lies B neutral unis A Bending moment on 100 lb them gero and only torsional sheen stress and direct shear stress and normal load of 1200 lb is acting.

at point A & C a normal spreis = P 1200 = 931.64 lb inz 7427-22)*4 a forsional shoarsbres (Cmax)ę = 164T 78071-9 (Imax) #84.241- 1500 = 199.86 751 2.1 and direct shear strees (ed) = 2 x lang 3 x 100 116.46 Psi 17-12-22) and no bending load or C moment is acting at and For normal stress of magnitude = 931.64 Psi torsional shear stress (emone - 193.86 Psi Bending stress of mognitude (66) man My a (+b)max= L 3600 lb in + 100x15)-5100dbin M max-

3 (Dmax 5100 x 2.1 3954.75 Mpa tx [4.24-44 64 (+b) max to negative as element Here im compression. Chiogging)