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A solid sphere is rotating in free space.If the radius of the sphere is increased keeping mass same which one of the following will not be affected?
Options
(a) moment of inertia
(b) angular momentum
(c) angular velocity
(d) rotational kinetic energy
Correct Answer:
angular momentum
Explanation:
Talking the same mass of sphere, if radius is increased, then moment of inertia, rotational kinetic energy and angular velocity will change but according to law of conservation of momentum, angular momentum will not change.
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Topics: Motion of system of Particles and Rigid Body
(73)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A proton and helium nucleus are shot into a magnetic field at right angles to the field
- An inclined plane makes an angle of 30° with the horizontal.A solid sphere
- A solid body rotates about a stationary axis, so that its angular velocity
- A proton beam enters a magnetic field of 10⁻⁴ Wb/m² normally. If the specific charge
- A ball is thrown vertically downwards from a height of 20 m with an initially
Topics: Motion of system of Particles and Rigid Body (73)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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