Answer :
As a spacecraft moves farther away from Earth, the value of the universal gravitational constant G remains constant.
As a spacecraft moves farther away from Earth, the gravitational force between the spacecraft and Earth decreases. However, this change in gravitational force is not due to any variation in the value of the universal gravitational constant G. The gravitational constant G, approximately equal to 6.674 × [tex]10^{-11} m^3/(kg s^2)[/tex], is a fundamental constant of nature.
G represents the strength of the gravitational force between two objects and is a fixed value that does not depend on distance. It is a universal constant that applies to all objects and bodies in the universe. Thus, as the spacecraft moves farther away from Earth, the decrease in gravitational force is due to the increasing distance and the inverse square law, which states that the gravitational force weakens with the square of the distance between the objects.
In summary, the value of the universal gravitational constant G remains constant as a spacecraft moves farther away from Earth, while the gravitational force weakens due to the increasing distance according to the inverse square law.
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