The resultant force of a wind loading acts perpendicular to the face of the sign as shown. Replace this force by an equivalent force and couple moment acting at point O.

F = -120i lb, M = (-3000j+1800k) lb-ft

The resultant force of a wind loading acts perpendicular to the face

1.	The resultant force of a wind loading acts perpendicular to the face of the sign as shown. Replace this force by an equivalent force and couple moment acting at point O.
A.	F = -120i lb, M = (-3000j+1800k) lb-ft
B.	F = -120i lb, M = 3500i lb-ft
C.	F = -120i lb, M = -3500j lb-ft
D.	F = -120i lb, M = 3500k lb-ft
Answer» B. F = -120i lb, M = 3500i lb-ft

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The resultant force of a wind loading acts perpendicular to the face of the sign as shown. Replace this force by an equivalent force and couple moment acting at point O.

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