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A thin wheel can stay upright on its rim...

A thin wheel can stay upright on its rim for a considerable length of time when rolled with a considerable velocity, while it falls from its upright position at the slightest disturbance, when stationary. Explain.

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PHYSICS GALAXY - ASHISH ARORA-RIGID BODIES AND ROTATIONAL MOTION-Discussion Question
  1. A body is in pure rolling on a surface. Is it necessarily being acted ...

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  2. Why it is more difficult to revolve a stone by tying it to a longer st...

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  3. A thin wheel can stay upright on its rim for a considerable length of ...

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  4. If two circular disks of the weight and thickness are made from metals...

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  5. A cylindrical container filled with cheese and another identical can f...

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  6. (i) A person sits near the edge of a circular platform revolving with ...

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  7. The harder you hit the brakes while driving forward, the more the fron...

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  8. A car's speedometer read the speed of car.Will there be a correction i...

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  9. When car is moving on a horizontal icy floor, if its brakes are locked...

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  10. A rear wheel drive car accelerates quickly from rest, and the driver o...

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  11. A disc rotates with constant angular velocity. Doesa point on its rim ...

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  12. A disc is fnst spinned and then placed gentlyon a rough floor with its...

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  13. A cylinder of mass M and radius R can rotate about its axis of symmet...

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  14. A disc of metal is melted and recast in the form of a soild sphere. Wh...

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  15. A wheel is rolling without slipping on a horizontal surface. In an ine...

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  16. If the atmosphere suddenly condensed into a solid mass and formed a th...

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  17. A point particle travels in a straight line at constant speed. The clo...

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  18. An electric grinding wheel rotates for sometime after the power is tur...

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  19. An electric grinding wheel rotates for sometime after the power is tur...

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  20. A student stands on a table rotating with an angular speed omega while...

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