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The law of conservation of angular momen...

The law of conservation of angular momentum is obtained from Newton's II law in rotational motion when

A

external torque is maximum

B

external torque is zero

C

external torque is zero

D

external torque is constant

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The correct Answer is:
C
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NARAYNA-SYSTEM OF PARTICLES AND ROTATIONAL MOTION -C.U.Q
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  7. A ballet dancer is rotating about his own vertical axis on smooth hori...

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  8. A circular wheel is rotating in horizontal plane without friction abou...

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  9. A ballet dancer is rotating at angular velocity omega on smooth horizo...

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  10. If a body is rolling on a surface without slipping such that its kinet...

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  11. If a ring, disc, hollow sphere and solid sphere rolling horizontally w...

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  13. If V is velocity of centre of mass of a rolling body then velocity of ...

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  14. If the velocity of centre of mass of a rolling body is V then velocity...

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  15. A body is freely rolling down on an inclined plane whose angle of incl...

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  16. A sphere cannot roll on

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  17. When the following bodies of same radius starts rolling down on same i...

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  18. When the following bodies having same radius starts rolling down on sa...

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