HW19 - by s the coefficient of static friction at A B and C...

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HW19 Terry Cooke: Cal Poly San Luis Obispo
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Chapter 8, Problem 39 Two 10-lb blocks A and B are connected by a slender rod of negligible weight. The coefficient of static friction is 0.30 between all surfaces of contact, and the rod forms an angle 30 . with the vertical. ( a ) Show that the system is in equilibrium when 0. P ( b ) Determine the largest value of P for which equilibrium is maintained.
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Chapter 8, Problem 41 Two identical 5-ft-long rods connected by a pin at B are placed between two walls and a horizontal surface as shown. Denoting
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Unformatted text preview: by s the coefficient of static friction at A , B , and C , determine the smallest value of s for which equilibrium is maintained. Chapter 8, Problem 45 Two slender rods of negligible weight are pin-connected at C and attached to blocks A and B , each of weight W . Knowing that 80 and that the coefficient of static friction between the blocks and the horizontal surface is 0.30, determine the largest value of P for which equilibrium is maintained....
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