2. Calculate approximate member forces for members marked "A" and "B" in following truss, P = 100kN and L=50m, Depth of trusss 5m
3. Calculate approximate member forces for members marked "A" and "B" in following cantilever truss
4. For following Vierendeel girder find out bending moment in Member marked A, P = 100kN
5. Calculate torsional stress in square hollow section of 200mmx200mmx10mm (thickness) under torsional moment of 100kNm.