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Suppose that angular velocity of rotatio...

Suppose that angular velocity of rotation of earth is increased. Then, as a consequence :

A

Except at poles, weight of the object on the earth will decrease.

B

Weight of the object, everywhere on the earth, will decrease.

C

There will be no change in weight any where on the earth.

D

Weight of the object, everywhere on the earth, will decrease.

Text Solution

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The correct Answer is:
A
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The numerical value of the angular velocity of rotation of the earth should be…….. Rad/s in order to make the effective acceleration due to gravity equal to zero.

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Knowledge Check

  • The angular speed of rotation of the earth is

    A
    `7.3xx10^(-5) rad s^(-1)`
    B
    `7.3xx10^(-4) rad s^(-1)`
    C
    `7.3xx10^(-6) rad s^(-1)`
    D
    `7.3xx10^(-3) rad s^(-1)`

  • What is the angular velocity of the earth?

    A
    `(2pi)/86400rad//s`
    B
    `(2pi)/3600rad//s`
    C
    `(2pi)/24rad//s`
    D
    `(2pi)/6400rad//s`

  • The angular velocity of the earth will be

    A
    `(2pi)/86400 rad S^(-1)`
    B
    `(pi)/86400 rad S^(-1)`
    C
    `(2pi)/43200 rad S^(-1)`
    D
    `(pi)/(43200) "rad" s^(-1)`

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