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the flywheel is so constructed that the ...

the flywheel is so constructed that the entire mass of it is concentrated at its rim, because

A

it increases the moment of inertia of the fly-wheel

B

it decreases the moment of inertia of the fly-wheel

C

it increases the speed of the fly-wheel

D

it increases the power of the fly-wheel

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The correct Answer is:
A
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MOTION-ROTATIONAL MOTION -Exercise - 1
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  2. Two rotating bodies have same angular momentum but their moments of in...

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  3. the flywheel is so constructed that the entire mass of it is concentra...

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  4. A stone attached to one end of string is revolved around a stick so th...

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  5. The graph between the angular momentum J and angular velocity omega w...

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  6. Which of the following pairs do not correctly matched ?

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  7. A rotating table completes one rotation is 10 sec. and its moment of i...

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  8. All the particles of a rigid rotating body move in a circular path whe...

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  9. On meltng of ice on the pole of the earth, its moment of inertia will ...

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  10. The wheels of moving vehicles are made hollow in the middle and thick ...

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  11. By the theorem of perpendicular axes, if a body be in X-Z-plane then :...

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  12. The theorem of perpendicular axes is not applicable for determination ...

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  13. A solid sphere and hollow sphere of the same material have mass. Then ...

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  14. Three spheres, each mass M and radius R, are arranged as shown in the ...

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  15. If the earth loses its atmosphere sudenly, then the duration of day wi...

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  16. The moment of inertia and rotational kinetic energy of a fly wheel are...

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  17. A disc of radius 1m and mass 1 kg is rotating with 40 radians/sec. the...

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  18. An automobile engine develops 100H.P. when rotating at a speed of 1800...

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  19. A ring of diameter 1m is rotating with an angular momentum of 10 Joule...

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  20. A body is rotating uniformly about a vertical axis fixed in an inertia...

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