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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > The figure shows a system consisting of (i) a ring the outer radius 3R rolling clockwise without slipping on a horizontal surface with angular speed ω and (ii) an inner disc of radius 2R rotating anti clockwise with angular speed ω/2. The ring and disc are separted. The point P on the inner disc is at a distance R from the origin, where OP makes an angle of 30∘ with the horizontal. Then with respect to the horizontal surface,

The figure shows a system consisting of (i) a ring the outer radius 3R rolling clockwise without slipping on a horizontal surface with angular speed ω and (ii) an inner disc of radius 2R rotating anti clockwise with angular speed ω/2. The ring and disc are separted. The point P on the inner disc is at a distance R from the origin, where OP makes an angle of 30∘ with the horizontal. Then with respect to the horizontal surface,

A is the point of contact A sphere is rolling without slipping on a fixed horizontal plane surface. In the figure B is the centre of the sphere and C is its topmost point. Then: