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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: - Fusion reaction takes place at high temperature because
- Three solids of masses m₁,m₂ and m₃ are connected with weightless string
- The drift speed of electrons in copper wire of diameter and length l is v.
- At 10⁰C the value of the density of a fixed mass of an ideal gas divided by its pressure
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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
- Fusion reaction takes place at high temperature because
- Three solids of masses m₁,m₂ and m₃ are connected with weightless string
- The drift speed of electrons in copper wire of diameter and length l is v.
- At 10⁰C the value of the density of a fixed mass of an ideal gas divided by its pressure
- Two balls are dropped from same height at 1 second interval of time.
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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