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For a given mass and size, moment of ine...

For a given mass and size, moment of inertia of a soild disc is smaller than that of a ring. Why ?

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This s because entire mass of ring is at its periphery i.e., at maximum distance from the centre. The mass of disc is distributed from the centre to the rim.
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PRADEEP-SYSTEMS OF PARTICLES AND ROTATIONAL MOTION-CONCEPTUAL PROBLEMS
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  2. Find radius of gyration of a rod of length l and mass m about an axis ...

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  3. For a given mass and size, moment of inertia of a soild disc is smalle...

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  4. In a fly wheel, most of the mass is concentrated at the rim ? Explain ...

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  5. Two satellites of equal masses, which can be considered as particles a...

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  6. How will you distinguish between a hard boiled egg and a raw egg by s...

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  7. If earth were to shrink suddenly, what would happen to the length of t...

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  8. If two circular disks of the weight and thickness are made from metals...

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  9. The moments of inertia of two rotating bodies A and B are I(A) and I(B...

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  10. If polar ice caps melt, then the time duration of one day

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  11. If no external torque acts on a body, will its angular velocity remain...

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  12. How does an ice-skater, a ballet dancer or an acrobat take advantage o...

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  13. Explain why the speed of a whirl wind in a tornado is alarmingly high ...

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  14. Explain how is a cat able to land on its feet after a fall taking adva...

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  15. If angular momentum is conserved in a system whose moment of inertia i...

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  16. When there is no external torque acting on a rotating body, which of t...

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  17. Equal torques are applied on a cylinder and a hollow sphere. Both have...

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  18. A soild sphere is made to roll down from the same height on two inclin...

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  19. A thin wheel can stay upright on its rim for a considerable length of ...

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  20. Two identical cylinders 'runa race' starting from rest at the top of a...

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