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What is the physical significance of moment of inertia ?

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ICSE-CIRCULAR MOTION -MODULE 2 (SHORT ANSWER QUESTIONS)
  1. Derive an equation for the angle covered by, a rotating rigid body in ...

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  2. Define moment pf inertia. Name the factors on which the moment of iner...

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  3. What is the physical significance of moment of inertia ?

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  4. Radius of gyration has the unit

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  5. Name a physical quantity which has the same dimensions as that of torq...

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  6. What is the torque exerted by the gravitational force of sun on the ea...

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  7. If there is no external force acting on a nonrigid body, which of the ...

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  8. An electron moves round the nucleus of an atom, in a circular path. Wh...

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  9. Show that the torque acting on a body is equal to the product of momen...

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  10. The angular momentum of a body with mass (m) moment of inertia (I) and...

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  11. The dimensional formula for angular momentum is

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  12. Write down the relation connecting torque and angular momentum ?

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  13. State and prove the law of conservation of angular momentum.

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  14. Write down the equation for the work done in rotatory motion.

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  15. Derive an expression for the rotational kinetic energy.

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  16. Name the factors on which the rotational kinetic energy depend.

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  17. A hollow sphere and a solid sphere of the same dimensions rotate about...

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  18. The equatorial diameter of the earth is greater than the polar diamete...

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  19. The torque acting on a particle about an arbitrary origin is zero, wha...

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  20. Can you calculate the torque acting on a rigid body without specifying...

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