If the spinning speed of the earth is decreased, then the weight of the body at the poles.

does not change

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Decresing

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incresing

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may increase and decrease

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Solution

The correct option is A Decresing
The weight of the body increases.Because the decrease in rotational speed will consequently decrease the centrifugal force which will tend to throw us away from the surface of the earth. Now, if mg = weight than, mg’ = new weight, where g’ is gravitational acceleration minus the centrifugal acceleration.

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