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2. The figure shows a traffic-light assembly with three identical 100-lb traffic lights at B, C, and D. The vertical and horizontal poles have negligible weight. Calculate the support reactions at the fixed support O. (Ignore the thickness of all poles when calculating distances.)

2. The figure shows a traffic-light assembly with three identical 100-lb traffic lights at B, C, and D. The vertical and horizontal poles have negligible weight. Calculate the support reactions at the fixed support O. (Ignore the thickness of all poles when calculating distances.)

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2. The figure shows a traffic-light assembly with three identical 100-lb traffic lights at B, C, and D. The vertical and horizontal poles have negligible weight. Calculate the support reactions at the fixed support O. (Ignore the thickness of all poles when calculating distances.) 4 ft B 20 ft 100 lb 20 ft 30 ft 2 ft 4 ft 40 ft leee 5 ft
Transcribed Image Text:2. The figure shows a traffic-light assembly with three identical 100-lb traffic lights at B, C, and D. The vertical and horizontal poles have negligible weight. Calculate the support reactions at the fixed support O. (Ignore the thickness of all poles when calculating distances.) 4 ft B 20 ft 100 lb 20 ft 30 ft 2 ft 4 ft 40 ft leee 5 ft
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