Compute the moment of inertia for the built up section shown below about the strong axis only. (Group 1)

Determine the internal resisting forces and moment trans- mitted by section aa in 120 lb B 45° 30 140 Ib 100 lb 3 ft 2 ft 2 ft

MULTIPLE CHOICES AND SHOW YOUR COMPLETE SOLUTION: 2. Draw the influence line diagram of the given bridge truss system below for its member BC and HI if the loaded chord is member Cl? a. The maximum positive or negative ordinate for the ILD of member BC.2 o -1.2 UNITS o 1.2 UNITS o -1.04 UNITS o 1.04 UNITS b. The maximum positive or negative ordinate for the ILD of member Hl. ? o -1.2 UNITS o 1.2 UNITS o 1.04 UNITS o 1.05 UNITS c. If the bridge truss system is carrying a uniform deadload of 10 kn/m and a moving live load of 13 kn/m with two concentrated loads of 75 kn and 50 kn that is 2m apart. Determine the equivalent bar force for member BC and indicate whether it is in compression or tension. o -558 KN, C o 558 KN, T o 585 KN, T o -585 KN, C G K L 2m 4m A H 6 @ 5m= 30m