EASY
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IMPORTANT
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A wheel is rotating at the rate of 33 rpm. If it comes to stop in 20 s. Then, the angular retardation will be

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Important Questions on Rotation

MEDIUM
JEE Main
IMPORTANT
A sphere of moment of inertia I rolls down an inclined plane without slipping. The ratio of the rotational kinetic energy to the translational kinetic energy is nearly
MEDIUM
JEE Main
IMPORTANT
Total KE of sphere of mass M rolling with velocity v is
MEDIUM
JEE Main
IMPORTANT
A sphere cannot roll without applying external force on
EASY
JEE Main
IMPORTANT
The centre of a wheel rolling on a plane surface moves with a speed v0. A particle on the rim of the wheel at the same level as the centre will be moving at speed
EASY
JEE Main
IMPORTANT
A solid sphere, a hollow sphere and a disc, all having same mass and radius, are placed at the top of a smooth incline and released. Least time will be taken in reaching the bottom by
EASY
JEE Main
IMPORTANT
A solid sphere, a hollow sphere and a disc, all having the same mass and radius, are placed at the top of an inclined plane and released. The friction coefficients between the objects and the incline are same and not sufficient to allow pure rolling. Least time will be taken in reaching the bottom by
EASY
JEE Main
IMPORTANT
In the previous question, the smallest kinetic energy at the bottom of the incline will be achieved by
EASY
JEE Main
IMPORTANT
A wheel of radius R rolls on the ground with a uniform velocity v. The velocity of topmost point relative to the bottommost point is