Using the Method of Sections, cut the truss as shown along the n-n line. Draw the FBD of the resulting section ABC. Determine the magnitude of FRn by summing the moments around point E for section ABC. Also, state whether FBp is a tensile or compressive force.
P1 = 100 lb, P2 = 150 lb, and P3 = 100 lb
P1
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P2
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P3
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B - D 4 ft 4 ft 4 ft
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G
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E
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C