Two masses, A and B, are fixed at both the ends of a light rod as shown in figure. There are two axis 00' and AA' about which the rod can be rotated. In which of the case the rotational inertia of the system will be more?

00'

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It will be the same about both axis.

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None of these

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Solution

The correct option is B
AB

Think about the formula of the moment of inertia. The case in which, masses are further apart will be the answer.

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Two masses, A and B, are fixed at both the ends of a light rod as shown in figure. There are two axis 00' and AA' about which the rod can be rotated. In which of the case the rotational inertia of the system will be more?

The correct option is B AB Think about the formula of the moment of inertia. The case in which, masses are further apart will be the answer.

The correct option is B
AB

Think about the formula of the moment of inertia. The case in which, masses are further apart will be the answer.