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Assertion : The force between two finite...

Assertion : The force between two finite rigid bodies is not necessarily along the line joining their centre of mass .
Reason : Gravitational force between two particles is central .

A

If both Assertin and Reason are correct and Reason is the correct explanation of Assertion

B

If both Assertion and Reason are correct but Reason is not the correct explanation of Assertion

C

If Assertion is true but Reason is false

D

If Assertion is false but Reason is true

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The correct Answer is:
A
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DC PANDEY ENGLISH-GRAVITATION-(B) Chapter Exercises
  1. Assertion : The force between two finite rigid bodies is not necessari...

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  2. Assertion : Angular momentum of a planet is constant about any point ...

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  3. Assertion : Kepler's law for planetary motion are consequence of Newto...

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  4. Assertion : The field strength at the centre of a ring is zero Reaso...

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  5. Assertion : The binding energy of a satellite does not depend upon t...

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  6. Assertion : Plane of a satellite always passes through the centre of e...

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  7. Assertion : Gravitational potential and gravitational potentail energy...

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  8. Assertion : One two sides of a point mass, gravitational field strengt...

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  9. Assertion : If gravitational potential at some point is zero, then gra...

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  10. Assertion : If radius of earth suddenly shrinks to half its present wi...

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  11. Assertion : The centres of two cubes of masses m(1) and m(2) are separ...

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  12. Assertion : If a particle is projected from the surface of earth with ...

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  13. Assertion : On earth's satellite, we feel weightlessness. Moon is also...

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  14. Assertion : The centre of semicircular ring of mass m and radius R is...

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  15. Assertion : If the projuct of surface area and density is same for bot...

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  16. Assertion : Areal velocity of a planet around of surface area and dens...

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  17. Assertion : Mass of the rod AB is m(1) and of particle P is m(2). Dist...

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  18. Assertion : Four point masses each of mass m are placed at points 1, 2...

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  19. Assertion : Let W(1) be the work done in taking away a satellite from ...

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  20. Assertion : Two spherical shells have masses m(1) and m(2). Their radi...

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