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hw13sol - A and B when(a α = 0°(b α = 90°(c α = 30° 3...

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ES 2110 (Statics) Homework Assignment 13 Due: October 10, 2007 1. Two children are standing on a diving board that weighs 146 lb. Knowing that the weights of the children at C and D are 63 lb and 90 lb, respectively, determine ( a ) the reaction at A , ( b ) the reaction at B . 2. Determine the reactions at
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Unformatted text preview: A and B when (a) α = 0°, (b) α = 90°, (c) α = 30°. 3. The required force to be exerted at A by lever ABC is 3 lb. Knowing that α = 30° and that the spring has been stretched 1.2 in., determine ( a ) the constant k of the spring ( b ) the reaction at B ....
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