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Why does a body lose weight at the centr...

Why does a body lose weight at the centre of the earth?

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The weight of the body is the force with which the body is attractd by the earth towards its centre. Quantitatively, the weight of a body of mass `m` is eqal to `mg`, where `g` is the acceleration due to gravity. At the centre of earth `g=0`, so weight of a body is zero at the centre of the earth.
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Knowledge Check

  • A body weighs 60 kg on the earth's surface . What would be its weight at the centre of the earth ?

    A
    `60kgwt`
    B
    6kgwt
    C
    `60x9.8kgwt`
    D
    Zero

  • The weight of a body on the surface of the earth is 10 kg. Its weight at the centre of the earth is

    A
    0 kg
    B
    5 kg
    C
    10 kg
    D
    Infinite

  • The weight of a body of mass 3 kg at the centre of the Earth is _____.

    A
    9.75 N
    B
    1.46 N
    C
    zero
    D
    4.36 N

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