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Distinguish between Geocentric model and...

Distinguish between Geocentric model and Heliocentric model.

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PREMIERS PUBLISHERS-GRAVITATION-OTHER IMPORTANT QUESTION & ANSWERS (VERY SHORT ANSWER QUESTION)
  1. Distinguish between the terms gravitation and gravity.

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  2. Distinguish between Geocentric model and Heliocentric model.

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  3. What is free fall of a body ?

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  4. What are the values of g and G at the centre of the earth?

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  5. Does the escape velocity depend on the location from where it is proje...

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  6. Calculate the gravitational potential near the surface of the Earth.

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  7. Does the acceleration with which a body falls towards the centre of th...

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  8. Explain how the mass of the Earth can be estimated from the knowledge ...

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  9. On what factors the value of "g" at any place on the Earth depends?

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  10. What is the gravitational field strength of a planet where the weight ...

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  11. How much will be the weight of the object at the centre of the Earth?

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  12. At the centre of the earth, does a simple pendulum oscillate?

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  13. What is the use of measuring 'g' accurately on Earth surface?

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  14. What is satellite?

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  15. Draw a graph showing the variation of 'g' with distance from the centr...

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  16. Distinguish between natural and artificial satellite.

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  17. A satellite revolving around the earth loses height. What happens to i...

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  18. What is the relation between escape and orbital velocity?

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  19. State the condition for satellite to be geostationary.

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  20. At what circumstances weightlessness arise?

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