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Gravitational force is weak force but st...

Gravitational force is weak force but still it is considered the most important force. Why?

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This is because nuclear force is effective only inside the nucleus eventhough it is the strongest. If a body is charged then only electrical force will be effective.
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ICSE-GRAVITATION-CONCEPTUAL SHORT ANSWER QUESTIONS WITH ANSWERS
  1. A body is taken from equator to pole. What happens to (1) its mass ( 2...

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  2. What will happen to the weight of a body at the equator if earth stops...

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  3. The mass of a body is less in a mine. Is it true?

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  4. What is the height of a synchronous satellite?

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  5. Define gravitational potential and gravitational potential energy.

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  6. A satellite needs no fuel to move round a planet in a stable orbit. Wh...

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  7. What is the maximum value of gravitational potential? Where ?

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  8. Why earth does not fall towards sun due to its attrraction?

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  9. A body is taken to a height equal to radius of earth and then to a dep...

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  10. The space rockets are launched from west to east. Why?

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  11. Explain the reason of weightlessness inside a satellite.

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  12. Explain why (a) there is no atmosphere on moon (b) there is fall i...

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  13. Gravitational force is weak force but still it is considered the most ...

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  14. Do the forces of friction and other contact forces arises due to gravi...

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  15. We can shield a charge from electric fields by putting it inside a hol...

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  16. An astronaut inside a small spaceship orbitting around the earth canno...

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  17. If you compare the gravitational force on the earth due to the sun to ...

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  18. A comet orbits the sun in a highly elliptical orbit. Which of the foll...

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  19. The escape velocity of a body from the earth depends on (i) the mas...

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  20. What are the conditions required for a boyd to become earth's satellit...

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