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Among the known types of forces in natur...

Among the known types of forces in nature,gravitational force is the weakest.Why then does it play a diminant role for motin of bodies on the terrestrial,astronomical and cosmological scale?

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JBD PUBLICATION-GRAVITATION-EXAMPLE
  1. Two heavy spheres each of mass 100 kg and radius 0.10 m are placed 1.0...

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  2. Define gravitaional field and gravitiaonal intensity.

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

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

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

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

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

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  8. Why is G called universal gravitational constant ?

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

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

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  11. Explain why moon has no atmosphere.

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

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

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

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

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

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  17. What is an artificial satellite?

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

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  19. State Keplers' laws of planetary motion.

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

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