Problem $8\mathrm{.}29$

The joint is subjected to the force system shown in the figure below $($Figure $1)$ where $P_1=260lb$ and $P_2=440lb.$ The member has a rectangular cross$-$sectional area of width $0\mathrm{.}5$ in $.$ and thickness $1$ in $.$

Figure

$1$ of $1$

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Part A

Determine the normal stress at point $A.$

Express your answer to three significant figures and include appropriate units.

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Part B

Determine the normal stress at point $B.$

Express your answer to three significant figures and include appropriate units.

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Request Answer

Part C