Question

if the diameter of earth becomes two times of its present value and its mass remains unchanged then how would the weight of an object on the surface of the earth be affected​

Answer 1

Answer:

If the diameter of the earth becomes two times its present value then the weight of an object on earth's surface would become half

Explanation:

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Answer 2

If diameter is doubled then radius is also doubled, i.e, the distance of the object from the center doubles. We know that weight is inversely proportional to the square of the distance, so weight reduces to one fourth its original value.