The radius of the earth at the poles is 6357 kilometres and the the radius at the equator is 6378 kilometres. Calculate the percentage change in the weight of a body when it is taken from the equator to the poles.

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Given radius of earth along the equator is 6378 km and that along the poles is 6357 km. Calculate the percentage change in the weight of a man when he moves from the equator to the poles.

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