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Assertion: There is no effect of rotatio...

Assertion: There is no effect of rotation of a earth on acceleration due to gravity at poles.
Reason : Rotation of earth is about polar axis.

A

If both the assertion and reason are true and reason is a true explantion of the assertion.

B

If both the assertion and reason are true but the reason is not true the correct explantion of the assertion.

C

If the assertion is true but reason false

D

If both the assertion and reason are false.

Text Solution

Verified by Experts

The correct Answer is:
A
As the rotation of earth takes place about polar axis therefore body placed at poles will not feel any centrifugal force and its weight or acceleration due to gravity remains unaffected.
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Knowledge Check

  • The effect of rotation of the earth on the value of acceleration due to gravity is

    A
    g is maximum at the equator and minimum at the poles
    B
    g is minimum at the equator and maximum at the poles
    C
    g is maximum at both places
    D
    g is minimum at both places

  • The effect of rotation of the earth on the value of acceleration due to gravity is

    A
    g is maximum at the equator and minimum at the poles
    B
    g is minimum at the equator and maximum at the poles
    C
    g is maximum at both places
    D
    g is minimum at both places

  • At the centre of earth the acceleration due to gravity is

    A
    infinite
    B
    zero
    C
    `9.8 ms^(-2)`
    D
    all of these

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