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The moment of inertia of a sphere about ...

The moment of inertia of a sphere about its diameter is I. Four such spheres are arranged as shown in figure. Find the moment of inertia of the system about the axis XX'. (radius of each sphere is 2R).

A

3I

B

5I

C

7I

D

9I

Text Solution

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The correct Answer is:
D
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ERRORLESS -ROTATIONAL MOTION-Practice Problems (Problems based on moment of inertia)
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  5. Moment of inertia of a sphere of mass M and radius R is I. Keeping M ...

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  8. According to the theorem of parallel axes I = I("cm") + Mx^(2), the g...

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  9. What is the moment of inertia of a square sheet of side l and mass pe...

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  10. The adjoining figure shows a disc of mass M and radius R lying in the ...

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  11. We have two spheres, one of which is hollow and the other solid. They ...

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  12. From a uniform wire, two circular loops are made (i) P of radius r and...

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  13. One quarter sector is cut from a uniform circular disc of radius R. Th...

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  14. Two discs of same thickness but of different radii are made of two dif...

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  15. A thin wire of length L and uniform linear mass density rho is bent in...

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  16. If a solid sphere and solid cylinder of same mass and radius rotate ab...

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  17. Two point masses of 0.3 kg and 0.7kg are fixed at the ends of a rod of...

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  18. A circular disc A of radius r is made from an iron plate of thickness ...

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  19. A thin wire of length l and mass m is bent in the form of a semicircle...

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  20. If l(1) is the moment of inertia of a thin rod about an axis perpendic...

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