The round bar shown in Fig. 1 is mounted as a cantilever beam and has a groove as shown. T...

The round bar shown in Fig. 1 is mounted as a cantilever beam and has a groove as shown. The material has σyp = 60,000 psi and Nfs = 2.5.

(a) What points in the bar would you expect to be critical for stress?

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(b) At each critical point, determine if the part will fail by the max distortion energy theory of failure.

Figure 1