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Both the earth and the moon are subject ...

Both the earth and the moon are subject to the gravitational force of the sun. As observed from the sun, the orbit of the moon

A

will be elliptical

B

will not be strictly elliptical because the total gravitational force on it is not central

C

is not elliptical but will necessarily be a closet curve

D

deviates considerably from being elliptical due to influence of planets other than the earth

Text Solution

Verified by Experts

The correct Answer is:
B
As observed from the sun, two types of forces are acting on the moon one is due to gravitational attraction between the attraction between the earth and the moon. Hence, total force on the moon is not central.
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DC PANDEY-GRAVITATION-(A) Chapter Exercises
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  2. Satellite orbitting the earth have finite life and sometimes debris of...

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  3. Both the earth and the moon are subject to the gravitational force of ...

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  4. In our solar system, the inter-planetary region has chunks of matter (...

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  6. Different pounts in the earth are at slightly different distances from...

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  7. Two satellite of same mass are launched in the same orbit of radius r ...

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  8. Compute the additional velocity required by a satellite orbiting aroun...

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  9. Particles of masses 2M, m and M are respectively at points A, B and C ...

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  10. Earth orbiting satellite will escape if

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  11. Energy required in moving a body of mass m from a distance 2R to 3R fr...

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  12. A body attains a height equal to the radius of the earth. The velocity...

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  13. Suppose the gravitational attraction varies inversely as the distance ...

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  14. The rotation of the earth about its axis speeds up such that a man on ...

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  15. The rotation of the earth radius R about its axis speeds upto a value ...

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  16. Assuming the radius of the earth to be 6.5 xx 10^(6) m. What is the ti...

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  17. If gravitational attraction between two points masses be given by F=G(...

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  18. Suppose the gravitational force varies inversely as the n^(th) power o...

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  19. A body is projected vertically upwards from the surface of the earth w...

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  20. A particle takes a time t(1) to move down a straight tunnel from the s...

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