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Distance of the centre of mass of a soli...

Distance of the centre of mass of a solid uniform cone from its vertex is `z_0` . If the radius of its base is R and its height is h then `z_0` is equal to:

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SL ARORA-System of particles & rotational Motion-EXERCISE
  1. On what factors does the position of cm of a rigid body depend ?

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  2. Find the centre of mass of a uniform triangula lamina.

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  3. Distance of the centre of mass of a solid uniform cone from its vertex...

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  4. What is nature of motion of cm of an isolated system ?

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  5. Where does the centre of mass of a two particle system lie, if one par...

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  6. Can the centre of mass of a body be at a point outside the body?

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  7. Where does the centre of mass of a uniform rectangular lamina lie ?

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  8. Write an expression for the centre of mass of& two partide system

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  9. Write an expression for the velocity of the centre of mass of a system...

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  10. What is a rigid body?

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  11. Name the rotational analogue of force. What are its units ?

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  12. Is torque a scalar or vector ? If it is a vector, what rule is used to...

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  13. The dimensional formula of torque is

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  14. If 'muscle times speed equals power', then what is the ratio of the SI...

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  15. Under what condition, the three vectors (i) cannot giv zero resultant ...

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  16. When a steady toqrue or couple acts on a body, the body

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  17. Write the dimensional formula of angular momentum. Is it scale or vect...

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  18. Write SI unit of angular momentum:

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  19. What is the ratio of the SI unit to the CGS unit of angular momentum ?

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  20. Name the physical quantity whose dimensions are same as that of angula...

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