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A coin of mass m and radius r having moment of inertia I about the axis passes through its centre and perpendicular to its plane. It is beaten uniformly to form a disc of radius 2r. What will be the moment of inertia about the same axis?
Options
(a) I
(b) 2I
(c) 4I
(d) 16I
Correct Answer:
4I
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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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 motorcycle moving with a velocity 72 kmh⁻¹ on a flat road takes a turn
- If two electric bulbs have 40 W and 60 W ratings at 220 V, then the ratio
- An object is projected with a velocity of 20 m/s making an angle of 45⁰ with horizontal.
- A copper disc of radius 0.1 m is rotated about its centre, with 10 revolutions
- A particle of mass M is executing oscillations about the origin on the x-axis.
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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