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When a body falls towards Earth, Earth m...

When a body falls towards Earth, Earth moves towards the body. Why is earth's motion not noticed?

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Because tof large mass of earth, the acceleration produced in the earth is negligible and cannot be detected.
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MODERN PUBLICATION-GRAVITATION-Revision Exercises (very short answer questions)
  1. Why G is known as universal gravitational constant?

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  2. When a body falls towards Earth, Earth moves towards the body. Why is ...

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  3. Spheres of the same material and same radius r are touching each other...

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  4. Is it possible to shield a body from gravitational effects?

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  5. If a body of mass m is taken to the surface of moon, how will the iner...

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  6. The weight of a body at the centre of the earth is

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  7. What is the gravitational force between two bodies at an infinite dist...

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  8. What is the direction of force of gravity on a body?

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  9. What is the value of the acceleration due to gravity at a height equal...

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  10. If the diameter and mass of the earth becomes twice of its original va...

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  11. Where is 'g' greater, at poles or at equator ?

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  12. How the value of g changes as one moves from equator to pole?

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  13. How the value of g changes with increase in latitude of a place?

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  14. What is the unit and dimensional formula of gravitaional intensity?

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  15. What is the value of gravitational intensity at the surface of Earth a...

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  16. Define orbital speed of a satellite.

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  17. What is the direction of the orbital speed of a orbiting satellite?

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  18. What is the direction and orbital speed of a geostationary satellite?

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  19. Time period of revolution of polar satellite is around

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  20. What is the escape speed of the Sun ?

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