How does the weight of an object vary with respect to mass and radius of the earth. In a hypothetical case, if the diameter of the earth becomes half of its present value and its mass becomes four times of its present value, then how would the weight of any object on the surface of the earth be affected?

If mass of earth becomes 4M and radius become 1/2 R

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Question

How does the weight of an object vary with respect to mass and radius of the earth. In a hypothetical case, if the diameter of the earth becomes half of its present value and its mass becomes four times of its present value, then how would the weight of any object on the surface of the earth be affected?

If mass of earth becomes 4M and radius become 1/2 R

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Philoid · Accepted Answer

If mass of earth becomes 4M and radius become 1/2 R