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(a) value of 'g' maximum , at poles or a...

(a) value of 'g' maximum , at poles or at equater?
(b) where is value of 'g' minimum , at poles or at equater ?

Text Solution

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(a) Value of 'g' is maximum at poles.
(b) Value of 'g' is minimum at equater.
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Knowledge Check

  • If we move from the equator to a pole ,the value of g :

    A
    increases
    B
    decreases
    C
    remain unchanged
    D
    None of these

  • The Earth is not a perfect sphere. Due to the flattening of Earth at the poles, the radius of Earth is minimum at the poles and hence the value of g is maximum at the poles. One the other hand, the radius of the Earth is maximum at the equator of the Earth. As the mass and radius of moon are smaller than that of the Earth, so the value of g on moon is 1 . 63 m//s ^(2) . As we go up from the surface of the Earth, the distance from the centre of the Earth increases and hence the value of g decreases. The value of g decreases as we go down inside the Earth and it become zero at the centre of the Earth . What will be the unit of (G)/( g) ?

    A
    `m^(2) kg^(2)`
    B
    `m^(-1) kg^(2)`
    C
    `m^(2) kg^(-1)`
    D
    ` m^(-2) kg`

  • The Earth is not a perfect sphere. Due to the flattening of Earth at the poles, the radius of Earth is minimum at the poles and hence the value of g is maximum at the poles. One the other hand, the radius of the Earth is maximum at the equator of the Earth. As the mass and radius of moon are smaller than that of the Earth, so the value of g on moon is 1 . 63 m//s ^(2) . As we go up from the surface of the Earth, the distance from the centre of the Earth increases and hence the value of g decreases. The value of g decreases as we go down inside the Earth and it become zero at the centre of the Earth . What is the value of acceleration due to gravity on the surface of Earth ?

    A
    `10 . 5 m^(2) s^(-1)`
    B
    `9 . 8 m s^(-2)`
    C
    ` 9 . 8 m^(2) s^(-1)`
    D
    ` 2 . 5 m s^(-1)`

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    The Earth is not a perfect sphere. Due to the flattening of Earth at the poles, the radius of Earth is minimum at the poles and hence the value of g is maximum at the poles. One the other hand, the radius of the Earth is maximum at the equator of the Earth. As the mass and radius of moon are smaller than that of the Earth, so the value of g on moon is 1 . 63 m//s ^(2) . As we go up from the surface of the Earth, the distance from the centre of the Earth increases and hence the value of g decreases. The value of g decreases as we go down inside the Earth and it become zero at the centre of the Earth . If a person with a spring balance and a body hanging from it goes up and up in an aeroplane, then the reading of the weight of the body as indicated by the spring balance will be

    The Earth is not a perfect sphere. Due to the flattening of Earth at the poles, the radius of Earth is minimum at the poles and hence the value of g is maximum at the poles. One the other hand, the radius of the Earth is maximum at the equator of the Earth. As the mass and radius of moon are smaller than that of the Earth, so the value of g on moon is 1 . 63 m//s ^(2) . As we go up from the surface of the Earth, the distance from the centre of the Earth increases and hence the value of g decreases. The value of g decreases as we go down inside the Earth and it become zero at the centre of the Earth . If the radius of the Earth were to shrink by 1% and its mass remaining the same, the acceleration due to gravity on the Earth's surface would

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