$,(30\%)()$ As shown in Figure $1,$ draw the shear and moment diagrams for the beam.

$,(30\%()$ As shown in Figure $2,$ draw the shear and moment diagrams for the beam.

$,($a$)$C $($b$)$A $($c$)$C $(30\%$ As shown in Figure $3,$ draw the influence lines for $($a$)$ the moment at C$,($b$)$ the vertical reaction at A$,$ and $($c$)$ the shear at C$.$ Assume $A$ is a fixed support.

$,2k\frac{N}{m}5kN,($a$)$A $($b$)$B $(30\%)$

As shown in Figure $4,$ the compound beam is sujected to a uniform dead load of $2k\frac{N}{m}$ and a single live load of $5kN.$ Determine $($a$)$ the maximum negative moment created by these loads at $A,$ and $($b$)$ the maximum positive shear at $B.$ Assume $A$ is a fixed support, $B$ is a pin, and $C$ is a roller.

$1$

$2$

$3$

$4$