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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.
Related Questions: - The resistance of an ammeter is 13Ω and its scale is graduated for a current
- A ray of light passes from a medium A having refractive index 1.6 to the medium
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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
- The resistance of an ammeter is 13Ω and its scale is graduated for a current
- A ray of light passes from a medium A having refractive index 1.6 to the medium
- If alternating source of primary coil on transformer is replaced by a Laclanche cell
- The escape velocity from the earth is Ve. The escape velocity from a planet
- A heavy nucleus at rest breaks into two fragments which fly off with velocities
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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