Why does the mass of a body do not change with distance from the surface of the earth?

The mass of a body characterizes its inertia, that is, how much the body seeks to maintain its speed. With distance from the surface of the Earth, the force of gravity, which acts from the Earth on the body, can change, because the distance between the body and the Earth increases. But even in zero gravity, the body will retain its mass, because this is a property of the body itself and it characterizes how much force must be applied to change the speed of the body.



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