Question: Spring CD remains in the horizontal position at all times due to the roller at D. If the spring is unstretched when ? = 0

Spring CD remains in the horizontal position at all times due to the roller at D. If the spring is unstretched when ? = 0^o and the bracket achieves its equilibrium position when ? = 30^o, determine the stiffness k of the spring and the horizontal and vertical components of reaction at pin A.

0.45 m 0.6 m F= 300 N

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