$=30{10}^{2}kst.$ if $P=50$kip is applied to the bar and then remoled

$($a$)$A wa$-$scgnent ba:

$($b$)$ A giostertain ciagran for an elaytic, perforly$-$plastic material.

a$)$ Defermine the residual stress in each segment $$

b$]$ Find the permanent doformation at polint $8$ : $$

$$

$155$

$367$ kst

$75$ ksi

$10$:k

$20\%6$:$15$:

$0\mathrm{.}092$ in $0\mathrm{.}003$ in $0\mathrm{.}007556$

Do$0$tin $0\mathrm{.}0\mathrm{.}2546$ in

$57\mathrm{.}6$ kp

$60$ kp

$486$ kp

spoxp

$500$ kip