2. A 10-kg ring of negligible thickness and mean diameter of 4 m is resting on...

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2. A 10-kg ring of negligible thickness and mean diameter of 4 m is resting on a smooth inclined surface and is held in position by an angled bar AB of negligible mass as shown in Fig. 2. The bar is hinged and connected to the ring at B and the wall at A. A particle C of mass 3 kg is fixed to the ring at the orientation shown. What is the magnitude of the resultant force at the hinge support at 4? What is the angle, 0, the orientation of the line AB with respect to the horizontal? Note that point B is vertically above point O the centre of the ring. Use g = 10 m/s. 45 B 600 2. A 10-kg ring of negligible thickness and mean diameter of 4 m is resting on a smooth inclined surface and is held in position by an angled bar AB of negligible mass as shown in Fig. 2. The bar is hinged and connected to the ring at B and the wall at A. A particle C of mass 3 kg is fixed to the ring at the orientation shown. What is the magnitude of the resultant force at the hinge support at 4? What is the angle, 0, the orientation of the line AB with respect to the horizontal? Note that point B is vertically above point O the centre of the ring. Use g = 10 m/s. 45 B 600