If the 300-kg drum has a center of mass at point G, determine the horizontal and vertical components of force acting at pin A and the reactions on the smooth pads C and D. The grip at B on member DAB resists both horizontal and vertical components of force at the rim of the drum.

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60 mm 60 mm 390 mm 600 mm A 100 mm IC D 30° B 100 P E 'G