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A ring rolls along an inclined plane without slipping. What fraction of the total kinetic energy will be rotational?
(a)
(b)
(c)
(d)

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Important Questions on Rotational Motion
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The ratio of the accelerations for a solid sphere (mass and radius ) rolling down an incline of angle without slipping and slipping down the incline without rolling is

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An object of radius and mass is rolling horizontally without slipping with speed . It then rolls up the hill to a maximum height . The moment of inertia of the object is (acceleration due to gravity)

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If a hollow cylinder and a solid cylinder are allowed to roll down an inclined plane, which will take more time to reach the bottom?

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Moment of inertia of a body about two perpendicular axes and in the plane of lamina are and respectively. Its moment of inertia about an axis perpendicular to the plane of the lamina and passing through the point of intersection of and axes is

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A solid cylinder has mass , radius and length . Its moment of inertia about an axis passing through its centre and perpendicular to its own axis is

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Moment of inertia of a ring of mass and radius about an axis passing through the centre and perpendicular to the plane is

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The moment of inertia of a uniform semicircular disc of mass and radius about a line perpendicular to the plane of the disc through the centre is

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The moment of inertia of a straight thin rod of mass and length about an axis perpendicular to its length and passing through its one end is
