Problem $1(100$ pts$)$

For the compound beam and loading shown and considering that the supports at A and $C$ are rollers, the support at $E$ is a pin and the connection $B$ is a pin:

Determine the support reactions at $A,C$ and $E$ and the internal forces at connection $B.(40$pts$)$

Draw the shear and moment diagrams including maximum and minimum values and the shear force and bending moment values at points $A,B,C,E$ and $F.(60$ pts$)$