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What happens to the gravitational force ...

What happens to the gravitational force between two objects when the distance between them is:
(i) doubled?
(ii) halved?

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The correct Answer is:
(i) becomes one fourth (ii) becomes four times
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LAKHMIR SINGH & MANJIT KAUR-GRAVITATION-Exercise
  1. Give reason for the following: The force of gravitation between tw...

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  2. Describe how the gravitational force between two objects depends on th...

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  3. What happens to the gravitational force between two objects when the d...

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  4. Explain why, if a stone held in our hand is released, it falls towards...

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  5. Calculate the force of gravitation between two objects of masses 50 kg...

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  6. What is the force of gravity on a body of mass 150 kg lying on earth (...

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  7. The mass of sun is 2xx10^(30) kg and mass of earth is 6xx10^(24) kg. I...

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  8. A piece of stone is thrown vertically upwards. It reaches the maximum ...

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  9. A stone falls from a building and reaches the ground 2.5 seconds later...

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  10. A stone is dropped from a height of 20 m . (i) How long will it take...

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  11. A stone is thrown vertically upwards with a speed of 20 m/s. How high ...

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  12. When a cricket ball is thrown vertically upwards, it reaches a maximum...

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  13. Write the differences between mass and weight of an object.

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  14. Can a body have mass but no weight ?

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  15. A force of 20 N acts upon a body whose weight is 9.8 N. what is the ma...

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  16. A stone resting on the groud has a gravitional force of 20 N acting on...

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  17. An oject has mass of 20 kg on earth .What will be its (i) mass and (ii...

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  18. Which is more fundamental the mass of a body or its weight ? Why ?

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  19. How much is the weight of an object on the moon as compard to its weig...

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  20. Define universal gravitational constant. Give its value with SI units.

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