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On account of melting of ice at the nort...

On account of melting of ice at the north pole the moment of inertia of spinning earth -

A

Increases

B

Decreases

C

Remains unchanged

D

Depends on the time

Text Solution

Verified by Experts

The correct Answer is:
A
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ERRORLESS -ROTATIONAL MOTION-Practice Problems (Problems based on moment of inertia)
  1. Three identical thin rods each of length l and mass M are joined toget...

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  2. Moment of inertia of a sphere of mass M and radius R is I. Keeping M ...

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  3. Three particles are situated on a light and rigid rod placed along Y-a...

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  4. On account of melting of ice at the north pole the moment of inertia o...

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

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

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

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

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

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

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

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

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

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

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

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

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

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  18. Four solids are shown in cross section. The sections have equal height...

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  19. The moment of inertia l of a solid sphere having fixed volume depends ...

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  20. A thin rod of length L of mass M is bent at the middle point O at an a...

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