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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 cylindrical tank is filled with water to a level of 3m. A hole is opened at a height
- A car sounding a horn of frequency 100 Hz passes an observer. The ratio
- 4.0 g of a gas occupies 22.4 litres at NTP. The specific heat capacity of the gas
- A radioactive element forms its own isotope after 3 consecutive disintegrations.
- Light with an energy flux of 25×10⁴ Wm⁻² falls on a perfectly reflecting surface
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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