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What is the value of G at the center of the Earth?

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Intuitive answer : It is zero because the Earth is almost centrosymmetric, so you feel the same pull in every direction which results in a null net force. read more

G is a gravitational constant. It has the same value every where. Its value at the surface of the Earth and at the center of the Earth is the same. You can use the longer formula given by the Great Genius Isaac Newton to calculate the force of gravity at the center of the Earth. It is not zero. The force of gravity at its center is at its extreme. read more

Below is a plot of density as a function of distance from the center of the Earth, based on the Preliminary Reference Earth Model: Note that density generally decreases gradually with increasing distance from the center but is punctuated by some marked step changes. read more

If the value 6.38x10 6 m (a typical earth radius value) is used for the distance from Earth's center, then g will be calculated to be 9.8 m/s 2. And of course, the value of g will change as an object is moved further from Earth's center. read more

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