A-LevelMathematicsMechanicsOct/Nov 2022Paper 4 Q36 Marks
A ring of mass 4kg is threaded on a smooth circular rigid wire with centre C. The wire is fixed in a vertical plane and the ring is kept at rest by a light string connected to A, the highest point of the circle. The string makes an angle of 25° to the vertical (see diagram). Find the tension in the string and the magnitude of the normal reaction of the wire on the ring. [Figure X.X]
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