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The earth is continuously pulling the Mo...

The earth is continuously pulling the Moon towards its centre. Why the moon does not fall on to the earth?

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Statement I : Earth continuously attracts the moon towards its centre and yet the moon does not move towards the centre of earth. Statement II : The gravitational force of atteraction between the moon and earth provides the necessary centripetal force.

The gravitational force due to the earth also acts on the moon because of which it revolves around the earth. Similar situation exists for the artificial satellites orbiting the earth. The moon and the artificial satellites orbit the earth. The earth attracts them towards itself but unlike the falling apple,they do not fall on the earth, why?

The earth is slowing down and as a result the moon is coming nearer to it. The angular momentum of the earth-moon system is not conserved.

A acceleration of moon with respect to earth is 0.0027 ms^-2 and the acceleration of anpple falling on earth's surface is about 10ms^-2 . Assume that the radius of the moon is one fourth of the eareth's radius. If the moon is stopped for an instant and then released, it will fal towards the earth. The initial acceleration of the moon toward the will be

A rocket is fired from the earth to the moon. The distance between the earth and the moon is r and the mass of the earth is 81 times the mass of the moon. The gravitational force on the rocket will be zero when its distance from the moon is

Suppose Moon's orbital motion around the earth is suddenly stopped. Making use of Kepler's third law find the time the moon shell take to fall on to the earth?

Assuming the distance of the earth from the moon to be 38,400km and the angle subtended by the moon at the eye of a person on the earth to be 31, find the diameter of the moon.

The mass of the earth is 81 times the mass of the Moon and the distance between the earth and the Moon is 60 time the, radius of the earth. If R is the radius of the earth, then the distance between the Moon and the point on the in joining the Moon and the earth where the gravitational force becomes zero is

Find the distance of a point from the earth's centre where the resultant gravitational field due to the earth and the moon is zero. The mass of the earth is 6.0xx10^(24)kg and that of the moon is 7.4xx10^(22)kg . The distance between the earth and the moon is 4.0xx10^(5)km .

SL ARORA-FLUIDS AT REST-Problem for self practice
  1. The earth is continuously pulling the Moon towards its centre. Why the...

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  2. A force of 40 N is applied on a nail , whose tip has an area of cross-...

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  3. Atmospheric pressure is 1.01 xx 10^(5) Pa. How large a force does the ...

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  4. The force on a Phonograph needle is 1.2 N. the point has a circular cr...

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  5. A cylinderical vessel contaning liquid is closed by a smooth piston of...

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  6. The cross-section of two piston in hydraulic press are 2cm^(2) "and" 1...

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  7. The average mass that must be lifted by a hydraulic press is 80 "kg".I...

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  8. In a hydraulic press used for compressing cotton the area of the pisto...

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  9. An automobile sack is lifted by a hydraulic jack that consists of two ...

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  10. What is the minimum pressure required to force blood from the heart to...

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  11. A column of water 40 cm height supports a 30 cm column of an unknown l...

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  12. If the water pressure gauge shows the pressure at ground floor to be 2...

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  13. A cylinderical jar of cross-sectional area of 50 cm^(2) is filled with...

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  14. Water is filled in a flask upto a height of 20cm. The bottom of the fl...

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  15. The density of asir ner earth's surface is 1.3kgm^-3 and the atmospher...

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  16. A vertical U-tube of uniform inner cross-section contains mercury in ...

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  17. Two liquids of specific gravity 1.2 "and" 0.84 are poured into the l...

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  18. The area of cross-section of the wider tube shown in fig., is 800cm^(2...

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  19. A barometer kept in an elevator accelerating upwards reads 76 cm of Hg...

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  20. How much will a body of 70 N weight in water if it displaces 20 ml of...

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  21. A solid weighs 6 kg in air. If its density is 2000 "kg" m^(3) what wil...

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