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A solid sphere of mass and radius rolls on a horizontal surface without slipping. The ratio of rotational kinetic energy to total kinetic energy is -
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Important Questions on Rotational Mechanics
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A disc is rolling on an inclined plane without slipping then what fraction of its total energy will be in form of rotational kinetic energy?
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A wheel is rolling along the ground with a speed of . The magnitude of the linear velocity of the points at the extremities of the horizontal diameter of the wheel is equal to:
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If rotational kinetic energy is of total kinetic energy then the body will be:-
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A ball rolls without slipping. The radius of gyration of the ball about an axis passing through its centre of mass is If radius of the ball be then the fraction of total energy associated with its rotational energy will be
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If the angular velocity of a body rotating about an axis is doubled and its moment of inertia halved, the rotational kinetic energy will be changed by a factor of :-
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If a sphere is rolling, the ratio of its rotational energy to the total kinetic energy is given by :
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A person, with outstretched arms, is spinning on a rotating stool. He suddenly brings his arms down to his sides. Which of the following is true about his kinetic energy and angular moment
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A uniform thin ring of mass rolls without slipping on a horizontal surface with a linear velocity of . The kinetic energy of the ring is:-
