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State whether the gravitational force be...

State whether the gravitational force between two masses is attractive or repulsive ?

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Always attractive
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ICSE-LAWS OF MOTION-EXERCISE - 3(E)
  1. State Newton's law of gravitational.

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  2. State whether the gravitational force between two masses is attractive...

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  3. Write an expression for the gravitational force of attraction between ...

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  4. How does the force of attraction between the two bodies depend upon th...

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  5. How is the gravitational force between two masses affected if the sepa...

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  6. Define gravitational constant G.

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  7. Define gravitational constant G.

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

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  9. What do you understand by the term force due to gravity ?

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  10. Write an expression for the force due to gravity on a body of mass m a...

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  11. Define the term acceleration due to gravity. State its average value.

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  12. Write down the average value of g on the earth's surface.

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  13. How is the acceleration due to gravity on the surface of the earth rel...

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  14. How are g and G related ?

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  15. A body falls freely under gravity from rest and reaches the ground in ...

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  16. A body is thrown vertically upwards with an initial velocity u. Write ...

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  17. Define the terms mass and weight.

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  18. State three differences between mass and weight.

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  19. Name the S.I. unit of mass and define it.

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  20. State the S.I. units of weight .

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