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Acceleration Due to Gravity

Weight of an ...

Question

Weight of an object is highest at

A

Center of earth

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B

Poles

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C

Equator

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D

Above the earth's surface

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Solution

The correct option is B
Poles

Earth is not a perfect sphere. Its radius at equator is greater than poles. Acceleration due to gravity is inversely proportional to the square of its radius. So, the acceleration due to gravity is greatest at poles. Hence, from relation, W = mg, it is clear that weight is highest at the poles.

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