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A body weighs 72 N on the surface of the...

A body weighs 72 N on the surface of the earth What is the gravitational force on it, at a height equal to half the radius of the earth

A

32 N

B

30 N

C

24N

D

48 N

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TARGET PUBLICATION-Gravitation-Exercise
  1. A body is raised to a height 'nR' from the surface of the earth of rad...

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  2. The value of gravitational acceleration 'g' at a height 'h' above the ...

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  3. A body weighs 72 N on the surface of the earth What is the gravitation...

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  4. The height at which the weight of a body becomes 1/(16), its weight on...

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  5. The depth d at which the value of acceleration due to gravity becomes ...

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  6. The value of acceleration due to gravity at a depth of 1600 km is equa...

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  7. A body weighs 200 N on the surface of the earth. How much will is weig...

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  8. Let 'gh' and 'gd' be the acceleration due to gravity at height 'h' the...

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  9. Let 'gh' and 'gd' be the acceleration due to gravity at height 'h' abo...

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  10. The value of the acceleration due to gravity g a point 5.0 km above th...

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  11. The variation of acceleration due to gravity g with distance d from ce...

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  12. Starting from the centre of the earth having radius R, the variation o...

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  13. If the earth rotates faster than its present speed, the weight of an o...

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  14. Which of the following statements is not correct for the decrease in t...

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  15. Calculate angular velocity of earth so that acceleration due to gravit...

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  16. The change in potential energy when a body of mass m is raised to a he...

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  17. A body of mass m is raised to a height h above the surface of the eart...

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  18. A body of mass 'm' is raised to a height '10 R' from the surface of ea...

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  19. A body of mass 'm' is taken from the earth's surface to the height equ...

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  20. The work done to raise a mass m from the surface of the earth to a hei...

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