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 µs 0.25 under B, determine the minimum coefficient of friction under A to prevent motion. 30° 60°
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 µs 0.25 under B, determine the minimum coefficient of friction under A to prevent motion. 30° 60°
International Edition---engineering Mechanics: Statics, 4th Edition
4th Edition
ISBN:9781305501607
Author:Andrew Pytel And Jaan Kiusalaas
Publisher:Andrew Pytel And Jaan Kiusalaas
Chapter7: Dry Friction
Section: Chapter Questions
Problem 7.49P
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