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A body is taken from the centre of the e...

A body is taken from the centre of the earth to the top of the mountain ,how does its weight change?

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JBD PUBLICATION-GRAVITATION-EXAMPLE
  1. Define gravitaional field and gravitiaonal intensity.

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  2. Among the known types of forces in nature,gravitational force is the w...

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  3. Mention some special features of Newton's law of gravitation.

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  4. Why are space rockets usually launched from west to east?

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  5. A tunnel is dug through the centre of the earth. Show that a body of m...

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  6. A person sitting in an artficial satellite feels weightlessness but a ...

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  7. Why is G called universal gravitational constant ?

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  8. How does value of acceleration due to gravity vary with shape of earth

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  9. A body is taken from the centre of the earth to the top of the mountai...

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  10. Explain why moon has no atmosphere.

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  11. It is said that you move the sky when you move figer,how?

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  12. Establish the relation between 'g' and 'G' .

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  13. Answer the following :- You can shield a charge from electrical forces...

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  14. Mention some special features of Newton's law of gravitation.

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  15. State the necessary conditions for a satellite to appear stationary.

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  16. What is an artificial satellite?

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  17. Define orbital velocity. How is it related with escape velocity?

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  18. State Keplers' laws of planetary motion.

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  19. Define gravitational potential energy. Find the expression for gravita...

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  20. Explain the principle of launching of an artificil saellite.

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