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Explain the concepts of torque and angul...

Explain the concepts of torque and angular momentum.

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PRADEEP-SYSTEMS OF PARTICLES AND ROTATIONAL MOTION-SHORT ANSWER QUESTIONS
  1. Show that centre of mass of an isolated system moves with a uniform ve...

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  2. Locate the centre of mass of uniform triangular lamina and a uniform c...

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  3. Explain the concepts of torque and angular momentum.

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  4. Explain what is meant by centre of gravity.

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  5. About what axis would a uniform cube have its minimum moment of inerti...

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  6. Is radius of gyration of a body constant quantity ?

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  7. Speed of rotation of a body affects the radius of gyration of the body...

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  8. A solid disc is recast into a thin walled cylinder of same radus. Whic...

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  9. Two satellites of equal masses, which can be considered as particles a...

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  10. In which of the following cases shown Fig. it is most difficult to rot...

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  11. In first figure a meter stick, half of which is wood and the other hal...

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  12. Two circular discs A and B of equal masses and thicknesses. But are ma...

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  13. The radius of gyration of an uniform rod of length L about an axis pas...

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  14. Why there two propellers in a helicopter ?

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  15. A solid wooden sphere rolls down two different inclined planes of the ...

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  16. Using expressisions for power and kinetic energy of rotational motion,...

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  17. A thin uniform circular disc of mass M and radius R is rotating in a h...

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  18. Is angular momentum of a system always conserved ?

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  19. A flywheel is revolving with a constant angular velocity. A chip of it...

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  20. Why are not able to rotate a wheel by pulling or pushing along its rad...

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