Problem $7\mathrm{.}1$

$ln($Figure $1),F_1=500lb,F_2=250lb,$ and $F_3=220lb.$

Figure

$1011$

Request Answer

Determine the shear force at point $D.$

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

$$

Part E

$N_D=$

$q,$ Request Answer

Determine the internal normal force at point $D.$

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

$5.$

$q,$

$q,$

$$