Problem $7\mathrm{.}20$

$1$ of $2$

Rod $AB$ is fixed to a smooth collar $D,$ which slides freely along the vertical guide shown in $($Figure $1).$ Point $C$ is located just to the left of the concentrated load $P=35lb.$ Suppose that $w=10l\frac{b}{f}t.$ Follow the sign convention.

Figure

$1$ of $1$

Part A

Determine the normal force at point $C.$

Express your answer in pounds to three significant figures.

Part B

Determine the shear force at point C

Part C

Determine the moment at point C