A $210$ lbf crate is placed on the $50$ lbf tailgate of a

pickup truck. The tailgate is held up by two supporting

cables $($only one is visible in the figure$).$ Each cable has

an effective cross$-$sectional area of $A_{}=0\mathrm{.}017i{n}^2.$

a$)$ What is the normal stress in each cable? $($Round

your answer to one decimal place$)$

$=$

b$)$ What is the average strain in the cable if elongation from total weight $($crate plus tailgate$)$ of each

cable is $=0\mathrm{.}015in($Round vour answer to four decimal places$)$

$=,$ in$/$in

A $210$ lbf crate is placed on the $50$ lbf tailgate of a

pickup truck. The tailgate is held up by two supporting

cables $($only one is visible in the figure$).$ Each cable has

an effective cross$-$sectional area of $A_e=0\mathrm{.}017i{n}^2.$

a$)$ What is the normal stress in each cable? $($Round

your answer to one decimal place$)$

$=$

ksi

b$)$ What is the average strain in the cable if elongation from total weight $($crate plus tailgate$)$ of each

cable is $=0\mathrm{.}015in?($Round your answer to four decimal places$)$

$=,i\frac{n}{i}n$