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A ring of diameter 1m is rotating with a...

A ring of diameter 1m is rotating with an angular momentum of 10 Joule-sec. The necessary tangential force required to increase its angular momentum by 50 % in 1 sec will be (in newtons)

A

10

B

5

C

15

D

20

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The correct Answer is:
A
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MOTION-ROTATIONAL MOTION -Exercise - 1
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  11. A circular ring of mass 1kg and radius 0.2m executes 10 revolutions pe...

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  12. Which quantity is not directly related with rotational motion

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  14. When a mass is rotating in a plane about a fixed point, its angular mo...

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  15. The rotational kinetic energy is -

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  18. The rate of change of angular momentum is called

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  19. When a constant torque is applied on a rigid body, then

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  20. If torque is zero, then

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