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Why is it that we can learn more about t...

Why is it that we can learn more about the shape of the earth by studying the motion of an artificial satellite than by studying the motion of the Moon?

Text Solution

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We can learn more about the shape of the earth by studying the motion of an artificial satellite than by studying the motion of the moon because the motion of the satellite is governed by the value of `g` at each of its positions. Since the moon is very fary away, the variation of `g` near the surface of the earth is averaged out at the position of the moon.
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Knowledge Check

  • The following statement is correct about the motion of earth satellite.

    A
    It is always accelerating towards the earth
    B
    There is no force acting on the satellite
    C
    Move away from the earth normallly to the orbit
    D
    fall down on to the earth

  • Can we boil egg inisde the earth satellite by convection.

    A
    Yes
    B
    No
    C
    Nothing can be said
    D
    Data insufficient

  • An artificial satellite can be tracked very precisely from the earth by using ?

    A
    Zeeman effect
    B
    Sonar
    C
    Doppler effect
    D
    Radar

    • Similar Questions

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    Can we determine the gravitational mass of a body inside an artificial satellite?

    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?

    How is the position-time graph of uniformly accelerated motion id one dimension helpful in studying the motion of the object ?

    Why is it easier to maintain the motion than to state it?

    When can we say that an object is in motion?

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