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What do you mean by free fall?...

What do you mean by free fall?

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Gravity of earth attacts every object towards its center ,When an object is dropped from a certain height of beings to fall towards Earth 's surface under the influence force . Such a motion of object is called free fall.
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NCERT- GRAVITION-Exercise
  1. State the universal law of gravitation.

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  2. Write the formula to find the magnitude of the gravitational force bet...

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  3. What do you mean by free fall?

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  4. What do you mean by acceleration due to gravity?

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  5. Distinguish between mass and weight.

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  6. Why is the weight of an object on the Moon (1//6)th its weight on the ...

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  7. Why is it difficult to hold a school bag having strap made of thin and...

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  8. What do you mean by buoyancy?

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  9. Why does an object float or sink when placed on the surface of water?

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  10. You find your mass to be 42 kg on a weighing machine. Is your mass mor...

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  11. You have a bag of cotton and an iron bar, each indicating a mass of 1...

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  12. How does the force of gravitation between two objects change when the ...

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  13. Gravitational force acts on all objects in properties to their masses....

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  14. What is the magnitude of the gravitational force between the Earth and...

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  15. The Earth and the moon are attracted to each other by gravitational fo...

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  16. If the moon attracts the earth, why does the earth not move towards th...

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  17. What happens to the force between two object, if (i) The mass of one...

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  18. What is importance of the universal law of gravitation?

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  19. What is the acceleration of free fall?

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  20. What do we call the gravitational force between the earth and an objec...

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