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Can centre of mass of a body lie where t...

Can centre of mass of a body lie where there is absolutely no mass ?

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Yes, for example in a ring the centre of mass is at the centre of the ring where there is no mass.
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The centre of mass of a body

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The centre of mass of a body lies

Statement-1 : The centre of mass of a body may lie where there is no mass. Statement-2 : The centre of mass has nothing to do with the mass.

Statement-1: The centre of mass of body may lie where there is no mass. Statement-2: Centre of mass of a body is a point, where the whole mass of the body is supposed to be concentrated.

Can mass of a body ever be zero?

Can centre of mass of a body coincide with the geometrical centre of the body ?

Can centre of mass of a body coincide with geometrical centre of the body ?

MODERN PUBLICATION-SYSTEMS OF PARTICLES AND ROTATIONAL MOTION-REVISION EXERCISES (Very Short Answer Questions Carrying 1 mark)
  1. Is centre of mass of reality ?

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  2. The centre of mass of two particles system lies

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  3. Can centre of mass of a body lie where there is absolutely no mass ?

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  4. If one of the particles is heavier than mass other, to which side will...

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  5. Which physical quantity corresponds to the moment of the force?

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  6. What is an isolated system ?

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  7. Which component of linear momentum does not contribute to angular mome...

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  8. The moment of linear momentum is called

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  9. Can the couple acting on a rigid body produce translatory motion ?

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  10. What is the position of the centre of mass of a cubical or rectangular...

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  11. Can a body moving in a circular path be at equilibrium?

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  12. Why the bottom of a ship is made heavy?

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

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  14. What can we conclude for the potential energy of a system in stable eq...

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  15. What is the physical significance of moment of inertia?

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  16. Does the moment of inertia of a body change with the speed of rotatio...

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  17. Does the moment of inertia of a rigid body change with the axis of rot...

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  18. Does the radius of gyration depend on the speed of the rigid body?

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  19. About which axis would the moment of inertia of a body be minimum ?

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  20. What are the units and dimensions of moment of inertia ? Is it a vecto...

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