Using a scaled force diagram, graphically determine the load in each member of the structure shown below. \begin{array}{l} 4 \times 1+10 \times 3=4 R 2=34 / 4=8.5=R 2 \\ R

2=8 r 2=4 \times 2+6 \times 10=68 / 8=8.5 \\ R 1=10 \times 1+4 \times 3=4 R 1 / 4=5.5 \end{array}