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Under what condition, the three vectors ...

Under what condition, the three vectors (i) cannot giv zero resultant (ii) can give zero resultant ?

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SL ARORA-System of particles & rotational Motion-EXERCISE
  1. The dimensional formula of torque is

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

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

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

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

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  6. Write SI unit of angular momentum:

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

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

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

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

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

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  12. What is angular velocity of earth spinning around its own axis ?

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  13. Is the angular speed of rotation of hour hand of a watch greater or sm...

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  14. Name the rotational analogue of linear acceleration.

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  15. Is moment of inertia a scalar or a vector ?

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  16. Calculate the moment of inertia of a rod of mass M, and length l about...

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  17. What is moment of inertia of a solid sphere about its diameter ?

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  18. What is the moment of inertia of a hollow sphere about an axis passing...

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  19. Radius of gyration of a uniform solid sphere about its diamter is

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  20. A circular ring and circular disc of same radius have equal moments of...

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