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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
- When you move from equator to pole, the value of acceleration due to gravity (g)
- The total kinetic energy of a body of mass 10 kg and radius 0.5 m moving with a velocity
- As a result of interference of two coherent sources of light, energy is
- A block of mass m is moving on a wedge with the acceleration aᵒ
- A wire of resistance 4 ohm is stretched to twice its original length.
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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