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What is the position of the centre of ma...

What is the position of the centre of mass of a cubical or rectangular block?

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. At the point of intersection of body diagonals.
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MODERN PUBLICATION-SYSTEMS OF PARTICLES AND ROTATIONAL MOTION-REVISION EXERCISES (Very Short Answer Questions Carrying 1 mark)
  1. The moment of linear momentum is called

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

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

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

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

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

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

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

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

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

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

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

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

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  14. Two lenses one convex and one concave are of same mass and same radius...

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  15. A disc is recast into a hollow sphere of having half radius? How momen...

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  16. The angular momentum of a system of particles is conserved

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  17. Is radius of gyration of a body constant quantity ?

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  18. Why there two propellers in a helicopter ?

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

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  20. There are two spheres of same mass and same radius, one is solid and o...

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