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A satellite orbiting close to the surfac...

A satellite orbiting close to the surface of earth does not fall down becouse the gravitational pull of earth

A

is balanced by the gravitational pull of moon

B

is balanced by the gravitational pull of sun

C

provides the necessary acceleration for its motion along the circular path

D

makes it weightless

Text Solution

Verified by Experts

The correct Answer is:
C
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Knowledge Check

  • A satellite orbiting close to earth surface will escape, if

    A
    its speed is increased by 41.4%
    B
    it speed in the orbit is `(sqrt(1.5))`times of its initial value.
    C
    its K.E is 1.5 times
    D
    it stops moving in the orbit

  • For a satellite orbiting very close to earth's surface, total energy is

    A
    zero
    B
    `(GMm)/(R)`
    C
    `-(GMm)/(R)`
    D
    `-(GMm)/(2R)`

  • The K.E. of a satellite in an orbit close to the surface of the earth is E. Its max K.E. so as to escape from the gravitational field of the earth is

    A
    2E
    B
    4E
    C
    `2 sqrt(2) E`
    D
    `sqrt(2) E`
    • DC PANDEY-GRAVITATION-Level 1 Single Correct
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    6. The Gauss' theorem for gravitational field may be written as

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    7. In the earth-moon system, if T(1) and T(2) are period of revolution of...

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    8. The figure shows a spherical shell of mass M. The point a is not at th...

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    10. The figure represents an elliptical orbit a planet around sun. The pla...

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    11. At what depth from the surface of earth the time period of a simple pe...

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    12. If M is the mass of the earth and R its radius, the radio of the gravi...

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    13. The height above the surface of earth at which the gravitational filed...

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    14. For a stellite orbiting close to the surface of earth the period of re...

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    15. The angular speed of rotation of earth about its axis at which the wei...

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    16. The height from the surface of earth at which the gravitational potent...

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    17. A body of mass m is lifted up from the surface of earth to a height th...

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    18. A satellite is revolving around earth in its equatorial plane with a p...

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    19. A planet has twice the density of earth but the acceleration due to gr...

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    20. The speed of earth's rotation about its axis is omega. Its speed is in...

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