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If there is no external force acting on ...

If there is no external force acting on a nonrigid body, which of the followhng quantities must remain constant?

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Either the perpendicular distance `vecr` from the axis of rotation to the line of action is zero or there is an equal and opposite force.
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ICSE-CIRCULAR MOTION -MODULE 2 (SHORT ANSWER QUESTIONS)
  1. Name a physical quantity which has the same dimensions as that of torq...

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

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

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

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

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

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  7. The dimensional formula for angular momentum is

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

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

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

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  11. Derive an expression for the rotational kinetic energy.

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

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

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

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

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

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  17. It is easier to keep your balance on a moving bicycle than on a bicycl...

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  18. A cat is at rest on a horizontal turn table mounted on a vertical axis...

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  19. A particle moves in a circular path with constant speed .Find out a po...

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  20. State the laws of motion for rotating bodies.

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