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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
- An oscillator circuit consists of an inductance of 0. mH and a capacitor of 20 μF.
- The frequency of a light wave in a material is 2 x 10¹⁴ Hz and wavelength is 5000Å.
- The electric field associated with an e.m. wave in vacuum is given by
- If R is the radius of the earth and g is the acceleration due to gravity
- Sodium has body centred packing. Distance between two nearest atoms is 3.7 Å.
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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