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has gravitation experimentally proved?
Every body which has mass influences every other body which has mass, according to Newton's Law of Universal Gravitation.

Thus any body can be considered as being surrounded by a field given rise to by its mass, called a gravitational field.

Its value g at any point is given by:

    g=GMd3d

where:

    G is the gravitational constant;
    M is the mass of the body;
    d is the displacement vector from the point to the center of gravity of the body, whose magnitude is d.


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