Find the reactions at the supports and plot the shear-force and bending-moment diagrams for each of the beams shown in the figure on page 123. Label the diagrams properly.

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2 kN 4 kN/m 40 Ibf 60 Ibf 4 in 4 in 6in 4 in D 200 mm 150 mm 150 mm 30 lbf | R2 1000 lbf 1000 lbf 2000 Ibf 6 ft 4 ft 2 ft 6 ft 2 ft 0 0 Hinge 40 lbf/in 320 lbf 400 lbf 800 lbf C D 4 ft 3 ft 3 ft 0 BC in 5 in