V$=1800$ lb

Determine the shear stress $($psi$)$ at the neutral axis.

A$.150\mathrm{.}5$

C$.132\mathrm{.}4$

B$.114\mathrm{.}0$

D$.124\mathrm{.}6$

Determine the shear stress $($psi$)$ at a point $4in.$ above the neutral axis.

A$.19\mathrm{.}72$

C$.16\mathrm{.}32$

B$.18\mathrm{.}65$

D$.17\mathrm{.}39$

Determine the shear stress $($psi$)$ at a point $4in.$ below the neutral axis.

A$.76\mathrm{.}5$

C$.73\mathrm{.}2$

B$.79\mathrm{.}1$

D$.78\mathrm{.}9$