The pole supports a 22-lb traffic light. Using Cartesian vectors, determine the moment of the weight of the traffic light about the base of the pole at A.

The pole supports a 22-lb traffic light. Using Cartesian vectors, det

1.	The pole supports a 22-lb traffic light. Using Cartesian vectors, determine the moment of the weight of the traffic light about the base of the pole at A.
A.	MA = 216k lb-ft
B.	MA = (-132i-229j-216k) lb-ft
C.	MA = (-229i+121j) lb-ft
D.	MA = (-132i+229j) lb-ft
Answer» D. MA = (-132i+229j) lb-ft

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The pole supports a 22-lb traffic light. Using Cartesian vectors, determine the moment of the weight of the traffic light about the base of the pole at A.

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