In the given figure, the 280 lb-bar AB is 10 ft long and hinged at B. It rests upon a 400N- block at A. The coefficient of friction is 0.40 at all contact surfaces. When the block impends to slide to the right, then A O (a) P must be equal to the friction force exerted by the horizontal plane O P must be equal to the friction forces exerted by the bar on the block O P must be greater than the sum of the friction forces exerted by the plane and the bar on the block O none of the above
In the given figure, the 280 lb-bar AB is 10 ft long and hinged at B. It rests upon a 400N- block at A. The coefficient of friction is 0.40 at all contact surfaces. When the block impends to slide to the right, then A O (a) P must be equal to the friction force exerted by the horizontal plane O P must be equal to the friction forces exerted by the bar on the block O P must be greater than the sum of the friction forces exerted by the plane and the bar on the block O none of the above
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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