Engineering Mechanics - Force System Resultants - Discussion
Discussion Forum : Force System Resultants - General Questions (Q.No. 25)
25.
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.
Discussion:
2 comments Page 1 of 1.
Vasu said:
9 years ago
Please Explain it.
Guru said:
6 years ago
x=22 lbs*cos30 *12 ft =228 lb-ft.
y=22 lbs *sin30 *12 ft = 121 lb-ft.
z lies in the same line and hence 0.
y=22 lbs *sin30 *12 ft = 121 lb-ft.
z lies in the same line and hence 0.
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