One quarter section is cut from a uniform circular disc of radius R. This section has a mass M. It is made to rotate about a line perpendicular to its plane and passing through the centre of the original disc. Its moment of inertia about the axis of rotation is (2001) (c) - MR 1 (a) - MR² (b)-MR² 2 4 (d) √ MR
One quarter section is cut from a uniform circular disc of radius R. This section has a mass M. It is made to rotate about a line perpendicular to its plane and passing through the centre of the original disc. Its moment of inertia about the axis of rotation is (2001) (c) - MR 1 (a) - MR² (b)-MR² 2 4 (d) √ MR
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Transcribed Image Text:18. One quarter section is cut from a uniform
circular disc of radius R. This section has a
mass M. It is made to rotate about a line
OTO
perpendicular to its plane and passing through
the centre of the original disc. Its moment of
inertia about the axis of rotation is
(2001)
(a)-MR²
2
SL
Q— (b)
(b)-MR²
1
(b)-MR² (c) - MR
4
(d) √ MR
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