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Required information

Problem $06\mathrm{.}030-$ A connecting$-$link portion having stress concentration at three sections

The figure shows the free$-$body diagram of a connecting$-$link portion having stress concentration at three sections. The dimensions are $r=0\mathrm{.}25$ in$,d=0\mathrm{.}40$ in$,h=0\mathrm{.}50$ in$,w_1=3\mathrm{.}50$ in$,$ and $w_2=3\mathrm{.}0$ in$.$ The forces Ffluctuate between a tension of $5$ kips and a compression of $16\mathrm{.}00$ kips $.$ Neglect column action and find the least factor of safety if the material is cold$-$drawn AISI $1018$ steel.

Problem $06\mathrm{.}030.$b $-$ Determine the factors of safety at the hole

What is the factor of safety against yielding and fatigue considering the stress concentration around the hole.

The factor of safety against yielding is $$

The factor of safety against failure is $$