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A solid sphere is rolling down on an inclined plane from rest and a rectangular block of the same mass is also slipping down simultaneously from rest on a similar smooth inclined plane: 

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Important Questions on Rotational Mechanics

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The ratio of time taken by a uniform solid sphere and disc of the same mass and the same diameter to roll down through the same distance from rest on a smooth inclined plane is:
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When a sphere of the moment of inertia I rolls down on an inclined plane the percentage of total energy which is, rotational, is approximate: 
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When a body starts to roll on an inclined plane, its potential energy is converted into: 
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A body initially at rest and sliding along a frictionless track from a height h (as shown in the figure) just completes a vertical circle of diameter AB=D. The height h is equal to

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The location of centre of mass of a uniform semicircular plate of radius R from its base is:
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A semicircular ring of the radius 0.5 m is given in the diagram. The location of centre of mass on its line of symmetry above its base will be:-

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Which of the following is true about the angular momentum of a cylinder rolling down a slope without slipping?
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A sphere and a disc of the same radii and mass are rolling on an inclined plane without slipping. as and ad are acceleration and g is the acceleration due to gravity. Then which statement is correct?