Each of the uniform bars OA and OB has a mass of 2 kg and is freely hinged at O to the vertical shaft, which is given an upward acceleration a = g/2. The links which connect the light collar C to the bars have negligible mass, and the collar slides freely on the shaft. The spring has a stiffness k = 130 N/m and is uncompressed for the position equivalent to θ = 0. Calculate the angle θ assumed by the bars under conditions of steady acceleration.

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a B. A 200 200 200 200 200 200 Dimensions in millimeters