EASY
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IMPORTANT
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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
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Important Questions on Rotation
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 rolls on the ground with a uniform velocity The velocity of topmost point relative to the bottommost point is
EASY
JEE Main
IMPORTANT
A sphere can roll on a surface inclined at an angle if the friction coefficient Now, suppose the friction coefficient is and the sphere is released from rest on the incline
EASY
JEE Main
IMPORTANT
A spherical ball rolls on a table without slipping. The fraction of its rotational energy associated with its total energy is
MEDIUM
JEE Main
IMPORTANT
The least coefficient of friction for an inclined plane inclined at an angle with horizontal, in order that a solid cylinder will roll down without slipping is
HARD
JEE Main
IMPORTANT
A sphere is rolling down a plane of inclination to the horizontal. The acceleration of its centre down the plane is
HARD
JEE Main
IMPORTANT
A particle is moving in a circular orbit with constant speed. Select the wrong alternate.
