Rotational Motion (NEET (National Eligibility cum Medical Entrance Test) Physics): Questions 121  124 of 125
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Question number: 121
» Rotational Motion » Angular Momentum
Question
An inclined plane makes an angle 30° with the horizontal. A solid sphere rolling down this inclined plane from rest without slipping has a linear acceleration equal to,
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Question number: 122
» Rotational Motion » Rotational Kinetic Energy
Appeared in Year: 2016
Question
Two rotating bodies A and B of masses and with moments of inertia and , have equal kinetic energy of rotation. If and be their angular momenta respectively, then –
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Question number: 123
» Rotational Motion » Rotational Kinetic Energy
Appeared in Year: 2016
Question
A solid sphere of mass and radius is rotating about its diameter. A solid cylinder of the same mass and same radius is also rotating about its geometrical axis with an angular speed twice that of the sphere. The ratio of their kinetic energies of rotation will be:
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Question number: 124
» Rotational Motion » Torque
Appeared in Year: 2017
Question
A rope is wound around a hollow cylinder of mass and radius . What is the angular acceleration of the cylinder if the rope is pulled with a force of ?
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