1. In the figure, two blocks are separated by a uniform strut attached rictionless pins. Block A weighs 400 lb, block B weighs 300 lb, and th 200 lb. If µs = 0.25 under B, determine the minimum coefficient of fric prevent motion.
1. In the figure, two blocks are separated by a uniform strut attached rictionless pins. Block A weighs 400 lb, block B weighs 300 lb, and th 200 lb. If µs = 0.25 under B, determine the minimum coefficient of fric prevent motion.
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Transcribed Image Text:1. In the figure, two blocks are separated by a uniform strut attached to each block with
frictionless pins. Block A weighs 400 lb, block B weighs 300 lb, and the strut AB weighs
200 lb. If us = 0.25 under B, determine the minimum coefficient of friction under A to
prevent motion.
| 30°
A
60°
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