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Give an example for a couple....

Give an example for a couple.

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Steering of a motor car and turning of a water tap work on the principle of couple.
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SUBHASH PUBLICATION-SYSTEMS OF PARTICLES AND ROTATIONAL MOTION-NUMERICAL WITH SOLUTIONS
  1. Give an example for a couple.

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  2. A non-uniform bar of weight 'w' is suspended at rest by two strings of...

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  3. A solid sphere of mass 2kg is rolling down an inclined plane of angle...

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  4. If the Earth were to suddenly contact to half its present radius, by h...

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  5. If a force of vecF=-3veci+vecj+5veck acts at a point vecr=7veci+3vecj+...

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  6. The maximum and minimum distance of a comet from the sun are 1.4xx10^(...

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  7. Calculate the angular speed of rotation of the Earth

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  8. Calculate the angular speeds of the second, minute and hour hands of a...

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  9. Four spheres each of diameter 0.02m and 0.10 kg are placed with their ...

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  10. A flywheel initially rotating at 120 rpm retards and its angular speed...

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  11. A uniform solid rod of mass 40kg and length 10m rests against a vertic...

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  12. An oxygen molecule has a mass of 5.30xx10^(-26) kg and a moment of ine...

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  13. A solid cylinder rolls up an inclined plane of angle of inclination 30...

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  14. A solid cylinder rolls up an inclined plane of angle of inclination 30...

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  15. A solid rolls down two different inclined planes of the same heights b...

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  16. A solid rolls down two different inclined planes of the same heights b...

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  17. A solid rolls down two different inclined planes of the same heights b...

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  18. A rope of negligible mass is wound round a hollow cylinder of mass 5 k...

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  19. A car weighs 1800kg. The distance between its front and back axles is ...

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  20. A metre stick is balanced on knife edge at its centre . When two coins...

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  21. In the HCl molecule, the separation between the nuclei of the two atom...

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