2 m 2 m 3 m 3 m 3 m 3 m B Figure 4.1 5k N/m K 3 m B M N 10k N/m G P Figure 4.2 M K 1) Find the tension forces in cables IO and NP. 2) Noting that sub-structures ABHIG and HJLNM are internally stable, we can treat them as two rigid bodies with a pin connection at point H and corresponding supports, as illustrated in Figure 4.2. Draw the free body diagrams for sub-structures ABHIG and HJLNM. 3) Determine the forces acting on sub-structures ABHIG and HJLNM. 4) Once knowing the external forces acting on each sub-structure, we can further obtain the forces in each member of the sub-structures. Determine the forces in member ML and EH. L