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Derive an expression for the work done b...

Derive an expression for the work done by a torque. Hence write the expression for the power delivered by a torque.

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SL ARORA-System of particles & rotational Motion-EXERCISE
  1. Two rings of radii R and nR made from the same wire of same linear mas...

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  2. What is a couple ? What effect does it have on a body ? Show that mome...

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  3. Derive an expression for the work done by a torque. Hence write the ex...

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  4. What is torque ? Give its unit. Show that it is equal to the product o...

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  5. Explain that torque is only due to transverse component of force. Radi...

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  6. Define angular momentum. Prove that angular momentum of a particle is ...

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  7. Establish a relation between angular momentum and moment of inertia of...

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  8. Show that the moment of inertia of a body about the given axis of rota...

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  9. Obtain an expression for kinetic energy of rotation of a body. Hence d...

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  10. Derive an expression for moment of inertia of a thin circular ring abo...

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  11. Moment of inertia of a hollow cylinder of mass M and radius R, about t...

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  12. Thye angular momentum and the moment of inertia are respectively

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  13. Derive an expression for moment of inertia of a thin circular ring abo...

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  14. Acceleration of a solid cylinder rolling without slipping down an incl...

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  15. The centre of mass of two particles system lies

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  16. Define and explain the term acceleration . Derive the velocity-time re...

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  17. Define and explain the term acceleration . Derive the velocity-time re...

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  18. What do you understand by areal velocity of a planet ? State kepler's...

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  19. S.T. the time rate of the total angular momentum of a system of partic...

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  20. When a rigid body is in motion, few particles of the body remain at re...

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