Statement I : The mass of a body cannot be considered to be concentrated at the centre of mass of the body for the purpose of computing its moment of inertia.Statement II : Then the moment of inertia of everybody about an axis passing through its centre of mass would be zero.
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a
If both statement I and statement II are true and statement II is the correct explanation of statement I.
b
If both statement I and statement II are true but statement II is not the correct explanation of statement I.
c
If statement I is true but statement II is false
d
If both statement I and statement II are false
answer is A.
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Detailed Solution
Moment of inertia is then sum of m r2 terms. We cannot change all the r's, keep m's the same, and expect ∑ miri2 to remain unchanged.