Determine the magnitude of the forces in pins B and D of the four-member frame. 225 Ib 5 ft 3 ft 3 ft 112.5 lb Dx 4.5 ft 3 ft 3 ft FBE 6 ft 1.5 ft B = 56.3 lb, D = 125.8 lb O B = 503 Ib, D = 225 Ib O...

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Extracted text: Determine the magnitude of the forces in pins B and D of the four-member frame. 225 Ib 5 ft 3 ft 3 ft 112.5 lb Dx 4.5 ft 3 ft 3 ft FBE 6 ft 1.5 ft B = 56.3 lb, D = 125.8 lb O B = 503 Ib, D = 225 Ib O B = 125.8 Ib, D = 112.5 lb O B = 225 lb, D = 503 lb lo