Q.12 Consider a uniform thin circular disk of radius R and mass M. A concentric square of side R/2 is out from the disk (see figure). What is the moment of inertia of the resultant disk about an axis passing through the centre of the disk and perpendicular to it? R R/2 (A) I= "*[1 - 48 n (B) = "* (1 MR? 48 m MR? (C) I = 24 m MR? (D) I = 1

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Q.12 Consider a uniform thin circular disk of radius R and mass M. A concentric square of side R/2 is cut
out from the disk (see figure). What is the moment of inertia of the resultant disk about an axis
passing through the centre of the disk and perpendicular to it?
R
R/2
MR?
(A) I =
4
48 n.
MR2
(B) 1 = "
1 -
48 n
M R?
(C) I =
24 n
MR?
(D) I =
24
Transcribed Image Text:Q.12 Consider a uniform thin circular disk of radius R and mass M. A concentric square of side R/2 is cut out from the disk (see figure). What is the moment of inertia of the resultant disk about an axis passing through the centre of the disk and perpendicular to it? R R/2 MR? (A) I = 4 48 n. MR2 (B) 1 = " 1 - 48 n M R? (C) I = 24 n MR? (D) I = 24
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