The rocket in the launch system shown in the figure is fixed by the pin at C and the AB hydraulic suspension system. If 45 kN thrust is acting on the center of gravity of the rocket during launch and the whole system has a distributed mass of 2kg/mm, assuming that the center of gravity, G, is located at the geometric center of the system.

(a) Calculate forces acting on supports at B and C and internal forces in section E. 

(b) Since the pins A, Band Care made of A304 stainless steel and they are forced in double shear, determine the required diameters of pins A and C by taking the safety factor as 1.5rn
 

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2000 mm 600 mm 2000 mm 2000 mm D 30% 1000 mm 60% 2000 mm 600 mm 2000 mm 2000 mm D 30% 1000 mm 60%