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The gravitational force between two prot...

The gravitational force between two protons is attractive. Then the Coulomb force between the protons is

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The moon can escape only if there is no orbital motion. The moon, while revolving round the earth has also orbital velocity round the sun. The gravitational attraction of the sun provides the centripetal force necessary for the orbital motion around the sun.
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MBD PUBLICATION-GRAVITATION-QUESTION BANK
  1. A wire of steel of radius r and length l breaks due to weight W .What ...

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  2. Name the regions of the atmosphere where global warming and ozone depl...

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  3. The gravitational force between two protons is attractive. Then the Co...

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  4. Two equal balls having equal positive charges q coulombs are suspend...

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  5. A person sitting in an artificial satellite revolving around the earth...

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  6. Describe the various uses of geostationary satellite.

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  7. Geostationary satellite appears unstable in space above a place in the...

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  8. What is a satellite ? Obtain an expression for total energy of a satel...

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  9. What is shape of the orbit of a planet ?

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  10. Why a space rocket usually launched from west to east ? Why it is more...

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  11. Can a satellite move in stable orbit, in a plane not passing through, ...

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  12. A person sitting in a train moving with constant velocity along a stra...

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  13. If the polar ice caps of earth melt, how will the length of the day be...

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  14. How you weigh the earth ?

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  15. Describe the salient features of gravitational force.

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  16. Explain how ‘g’ varies &from place to place ?

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  17. Coulomb is the unit of charge in SI system.

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  18. What is dimension if G?

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  19. What is relation between Kp and Kc?

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  20. What is the units of ‘g' in CGS system.

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