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What are the two factors which determine...

What are the two factors which determine why some bodies in solar system have atmosphere and others do not?

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the ability of a body (planet) to hold the atmosphere depends on : (i) acceleration due to gravity and (ii) surface temperature.
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PRADEEP-GRAVIATION-VERY SHORT ANS. QUESTIONS
  1. Is it possible to shield a body from gravitational effects?

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  2. Why does a tunnis ball bounce heigher on a hill than on plains?

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  3. What are the two factors which determine why some bodies in solar syst...

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  4. The value of g on the Moon is 1//6th of that of Earth. If a body is ta...

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  5. Moon travellers tie heavy weight at their back before landing on the M...

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  6. If a man goes from the surface of Earth to a height equal to the radiu...

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  7. Mass of a body cannot be changed without changing weight can be change...

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  8. Where will the true weight of the body be zero?

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  9. Gravitational force acts on all objects in properties to their masses....

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  10. Assuming that the Earth is a sphere of radius R. At what altiude will ...

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  11. Why does a body lose weight at the centre of the earth?

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  12. If the Earth stops rotating about its polar axis, what will be the eff...

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  13. Why we are not thrown off the surface of Earth by centrifugal force?

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  14. Why is gravitational potential energy negative?

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  15. What is the maximum value of gravitational potential energy and where?

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  16. What is the relation between gravitational intensity and gravitational...

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  17. Where is the gravitational field zero and where is the gravitational p...

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  18. The gravitational potential energy of a body at a distance r from the ...

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  19. What is the workdone in bringins a body of mass m from infinity to the...

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  20. What are the SI units of gravitational intansity and gravitational pot...

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