When = 20 the 50-lb uniform block compresses the two vertical springs 4 in. If the
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When θ = 20° the 50-lb uniform block compresses the two vertical springs 4 in. If the uniform links AB and CD each weigh 10 lb, determine the magnitude of the applied couple moments M needed to maintain equilibrium when θ = 20°.
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k = 2 lb/in. M 1 ft A B C D 1 ft 2 ft M k = 2 lb/in. 1 ft 4 ft
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