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The principle used by a gymnast to incre...

The principle used by a gymnast to increase the number of somersaults, is law of conservation of

A

linear momentum

B

energy

C

mass

D

angular momentum

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The correct Answer is:
D
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AAKASH SERIES-SYSTEM OF PARTICLES AND ROTATIONAL MOTION-Exercise-I
  1. A body is moving at a distance parallel to X-axis with a constant velo...

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  2. When running boy jumps on to a rotating table, the quantity that is co...

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  3. The principle used by a gymnast to increase the number of somersaults,...

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  4. If polar ice caps melt, the length of the day

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  5. When a stopper is pulled from a filled wash basin, the water drains ou...

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  6. A boy standing on a rotating table with heavy spheres in his hands, su...

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  7. A man turns on rotating table with an angular speed omega. He is holdi...

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  8. A solid sphere, solid cylinder and a disc are allowed to roll down fro...

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  9. Two identical hollow spheres roll down two inclined planes of same hei...

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  10. Let vec(A) be a unit vector along the axis of rotation of a purely rot...

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  11. A body is uniformly rotating about an axis fixed in an interial frame ...

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  12. A body is in pure rotation. The linear speed v of the particle, the di...

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  13. A body is rotating uniformly about vertical axis fixed in an inertial ...

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  14. A uniform rod of length l is kept vertically on a horizontal smooth su...

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

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  16. Equal torques act on the disc A and B of the pervious problem, initial...

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  17. A closed cylindrical tube containing some water (not filling the entir...

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  18. Let I(1) and I(2) be the moments of inertia of two bodies of identical...

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  19. Consider the following two equations A) L=Iomega (B) (dL)/(dt)=tau

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  20. A particle moves on a straight line with a uniform velocity. About its...

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