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Can the centre of mass of a body be at ...

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

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The centre of mass of a rigid body always lies inside the body, Is this statement true or false?

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SL ARORA-System of particles & rotational Motion-EXERCISE
  1. What is nature of motion of cm of an isolated system ?

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

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

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

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

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

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  7. What is a rigid body?

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

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

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  10. The dimensional formula of torque is

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

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

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

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

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  15. Write SI unit of angular momentum:

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

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

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  18. Which physical quantity is conserved when a planet revolves around the...

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  19. A planet revolves around the sun under the effect of gravitational for...

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  20. A boat is likely to capsize if the persons in the boat stand up. Why ?

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