Answer: Two couples act on the frame. If d = 4 ft,

Chapter 4, Problem 4-80

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QUESTION:

Two couples act on the frame. If d = 4 ft, determine the resultant couple moment. Compute the result by resolving each force into x and y components and (a) finding the moment of each couple (Eq. 4–13) and (b) summing the moments of all the force components about point A.

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QUESTION:

Two couples act on the frame. If d = 4 ft, determine the resultant couple moment. Compute the result by resolving each force into x and y components and (a) finding the moment of each couple (Eq. 4–13) and (b) summing the moments of all the force components about point A.

ANSWER:

Step 1 of 3

(a)

Sum of forces couples moments in vertical direction:

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