The uniform rod AB has a weight of 10 lb. If the spring DC is unstretched when
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The uniform rod AB has a weight of 10 lb. If the spring DC is unstretched when ? = 0o, determine the angle ? for equilibrium using the principle of virtual work. The spring always remains in the horizontal position due to the roller guide at D.
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2 ft k = 50 Ib/ft 1ft
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