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An apple falls from a tree. An insect in...

An apple falls from a tree. An insect in the apple finds that the earth is falling towards it with an acceleration 'g'. Who exerts the force needed to accelerate the earth with this acceleration? `(AS_(7))`

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HC VERMA-GRAVITATION-Question for short Answers
  1. Can two particles be in equilibrium under the action of their mutual g...

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  2. Is there any meaning of Weight of the earth?

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  3. If heavier bodies are attracted more strongly by the earth why don't t...

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  4. Can you think of two particles which do not exert gravitational force ...

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  5. The earth revolves round the sun because the sun attracts the erth. Th...

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  6. At noon, the sun and the earth pull theobjects on the earth's surface ...

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  7. An apple falls from a tree. An insect in the apple finds that the eart...

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  8. Suppose the gravitational portential due to a small system is k/r^2 at...

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  9. The gravitational potential energy of a two particle system is derived...

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  10. The weight of an object is more at the poles than at the equator. Is i...

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  11. The weight of a body at the poles is greater than the weight at the eq...

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  12. If the radius of the earth decreases by 1% without changing its mass, ...

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  13. A nut becomes lose and gets detached from a satellite revolving around...

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  14. Which quantity is zero at the centre of the Earth ?

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  15. Consider earth satellites in circular orbits. A geostationary satellit...

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  16. Is it possible to measure the depth of a well using kinematic equation...

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  17. The moon takes about 27.3 days to revolve around the earth in a nearly...

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  18. Two unequal springs have same material are loaded with same load. Whic...

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  19. "It is dangerous to take drugs without prescription of a doctor at ear...

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