Why centre of earth has zero gravity
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hala
Newton's law states that the center of spherical shell feels zero gravity. So the very miniscule (actually the very point) center of the earth feels zero gravity (from the earth itself). Think of it this way, every direction you look there is the same mass pulling radially away - the force of gravity all balances to zero.
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Answer:-
When we move towards centre of earth, the mass is equally distributed in all directions.
The mass beneath you = Mass in front of you = Mass behind you
Thus, all the gravitational forces applied cancel each other and acceleration due to gravity (g) at centre of earth on centre of earth becomes zero (0).
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