The crane hook depicted in Fig. 3€“35 has a 34-in-diameter hole in the center of the critical section. For a load of 6 kip, estimate the bending stresses at the inner and outer surfaces at the critical section.
Figure 3€“35
(a) Plan view of crane hook;
(b) Cross section and notation;
(c) Resulting stress distribution.
There is no stressconcentration

6-in R. 2in 0.75 in in 2-in R 6 in Section A-A 16.9 kpsi YYY-5.63 kpsi