Chapter $52$D Problems $($include FBD in solution$)$

F$5-6.$ Determine the reactions at the smooth contact

points $A,B,$ and $C$ on the bar.

F$5-3.$ The truss is supported by a pin at A and a roller at $B.$

Determine the support reactions.

$*5-12.$ Determine the horizontal and vertical components

of reaction at the pin A and at the rocker $B.$

$5-57.$ A $10-kN$ load is suspended from the boom at $D.$

Determine the force in the hydraulic cylinder $BC$ and the

pin reaction at $A.$