Sketch the bending moment diagram of the beam.

Question

A beam ABCD, 6m long, hinged at both ends A and D, subjected to moments 6 kN-m (CW)

At B and 3 kN – m (ccw) at C  as shown in Fig. 3. Sketch the bending moment diagram of the beam. How many points of contraflexure are there in the beam?