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The centripetal force on a satellite rev...

The centripetal force on a satellite revolving around the Earth is `F`. What is the gravitational force due to Earth on it ? Net force?

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`F , F`
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What provides the centripetal force to a satellite revolving around the earth ?

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Knowledge Check

  • For a satellite revolving around the earth

    A
    its P.E. and K.E. are +ve and the total energy is negative
    B
    its P.E. and K.E. are -ve but the total energy is positive
    C
    its P.E. and total energy are negative but the K.E. is positive
    D
    its P.E. and total energy are positive but its K.E. is negative

  • The centripetal force on a satellite orbiting round the earth and the gravitational force of earth acting on the satellite both equal F. The net force on the satellite is

    A
    zero
    B
    F
    C
    `F sqrt(2)`
    D
    2 F

  • Work done by centripetal force in revolving a satellite around the earth is

    A
    zero
    B
    unity
    C
    infinity
    D
    nothing can be decided

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    Assertion: The artifical satellite does not have any fuel but even then it remains orbiting around the earth. Reason: The necessary centripetal force required to move the satellite in an ·orbit around the earth is provided by the gravitational force of attraction between the satellite and the earth.

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