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From a disc of radius R, a concentric circular portion of radius r is cut-out so as to leave an annular disc of mass M. The moment of inertial of this annular disc about the axis perpendicular to its plane and passing through its centre of gravity is
Options
(a) M/2(R²+r²)
(b) M/2(R²-r²)
(c) M/2(R⁴+r⁴)
(d) M/2(R⁴-r⁴)
Correct Answer:
M/2(R²+r²)
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
- Consider 3rd orbit of He⁺(helium), using non-relativistic approach, the speed
- An electron moving in a uniform magnetic field of induction of intensity B,
- A bullet emerges from a barrel of length 1.2 m with a speed of 640 ms⁻¹.
- A radioactive nucleus of mass M emits a photon of frequency v and the nucleus recoils.
- An engine pumps water continuously through a hose. Water leaves the hose
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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