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A stone of mass 4kg is whirled in a hori...

A stone of mass 4kg is whirled in a horizontal circle of radius 1m and makes 2 rev/sec. The moment of inertia of the stone about the axis of rotation is

A

`64 kg xx m^2`

B

`4 kh xx m^2`

C

`16 kg xx m^2`

D

` 1 kg xx m^2`

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The correct Answer is:
B
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MOTION-ROTATIONAL MOTION -Exercise - 1
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  3. A stone of mass 4kg is whirled in a horizontal circle of radius 1m and...

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

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  13. The torque needed to produce an angular acceleration of 18rad/"sec"^2 ...

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  15. A disc of radius 2m and mass 200kg is acted upon by a torque 100N-m. I...

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  16. The dimensions of torque are :

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  17. On applying a constant torque on a body-

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  18. A wheel starting with angular velocity of 10 radian/sec acquires angu...

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  19. When a steady toqrue or couple acts on a body, the body

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  20. The radius of gyration of a body depends upon

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