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  • Solve this problem Moment of inertia of a circular wire of mass M and radius R about its diameter is

Moment of inertia of a circular wire of mass M   and radius  R about its diameter is

Option 1)

MR^{2}/2

 Option 2)

MR^{2}
Option 3)

2MR^{2}

 Option 4)

MR^{2}/4

Answers (1)

best_answer

As we learnt in

Moment of inertia for Ring -

I= MR^{2}

- wherein

About an axis perpendicular to the ring & passing through centre .

 

 Moment of inertia of circular wire about a diameter is  \frac{1}{2}MR^{2}

I=\frac{1}{2}MR^{2}


Option 1)

MR^{2}/2

Thisi is the correct option.

Option 2)

MR^{2}

This is an incorrect option.

Option 3)

2MR^{2}

This is an incorrect option.

Option 4)

MR^{2}/4

This is an incorrect option.

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perimeter

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