Bracket ABCDEF, Each Y-Direction Force Acts at the Center of the Bar

question 2

Multiple Choice

bracket ABCDEF, each y-direction force acts at the center of the bar segment to which it is applied (see figure) . All turns of ABCDEF are 90º angles. The resultant moment at $\mathrm { B } \left( \boldsymbol { M } _ { \mathrm { B } } \right)$ for this parallel force system
Is (in N ∙ m) :

• A) \(395 \boldsymbol { j } + 1080 \boldsymbol { k }\)
• B) \(415 i + 875 k\)
• C) \(485 i - 913 k\)
• D) \(- 485 i + 913 k\)

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