Consider the beam and loading below, with P $=35$ kips. $($a$)$ Determine the largest shearing stress in section n$-$n$.[11\mathrm{.}100$ ksi$]($b$)$ Determine the shearing stress at point a in section n$-$n$.[8\mathrm{.}400$ ksi $4.$ Consider the beam and loading below, with $\backslash (\backslash$boldsymbol$\{$P$\}=35\backslash )$ kips.

$($a$)$ Determine the largest shearing stress in section $\backslash ($ n $\backslash )-$n$.$

$[11\mathrm{.}100$ ksi$]$

$($b$)$ Determine the shearing stress at point $\backslash ($ a $\backslash )$ in section $\backslash ($ n$-$n $\backslash ).$

$[8\mathrm{.}400$ ksi$]$