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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`

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