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A body of mass m and radius r is rotated...

A body of mass m and radius r is rotated with angular velocity `omega` as shown in the figure & kept on a surface that has sufficient friction then the body will move

A

backwards first and then move forward

B

forward first and then move backward

C

will always move forward

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
C
Friction force on sphere is in the forward direction, sphere will always move in forward direction.
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RESONANCE ENGLISH-RIGID BODY DYNAMICS-Exercise
  1. A smooth tube of certain mass is rotated in a gravity-free Space and r...

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  2. A smooth sphere A is moving on a frictionless horizontal plane with an...

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  3. A body of mass m and radius r is rotated with angular velocity omega a...

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  4. A uniform sphere of radius R is placed on a rough horizontal surface a...

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  5. In the figure shown, a ball without sliding on a horizontal, surface. ...

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  6. As shown in the figure, a disc of mass m is rolling without slipping a...

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  7. When a sphere rolls without slipping the ratio of its kinetic energy o...

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  8. A solid sphere, a hollow sphere and a disc, all having same mass and r...

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  9. In the previous question the smallest kinetic energy at the bottom of ...

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  10. A box of dimensions l and b is kept on a truck moving with an accelera...

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  11. A rectangular block has a square base measuring axxa and its height is...

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  12. A weightless rod is acted upon by upward parallel forces of 2N and 4N ...

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  13. A circular disc X of radius R is made from an iron of thickness t, and...

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  14. A solid spere is rotating freely about its symmetry axis in free space...

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  15. A 'T' shaped object with dimension shown in the figure, is lying on a ...

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  16. Angular momentum of the particle rotating with a central force is cons...

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  17. A small paricle of mass m is projected at an angle theta with the x-ax...

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  18. S(1): Net torque on a system due to all internal force about any point...

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  19. A rigid body is in pure rotation, that is, undergoing fixed axis rotat...

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  20. A particle falls freely near the surface of the earth. Consider a fixe...

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