In Newton's Law of Universal Gravitation, F = GMm/R², Which

Multiple Choice

In Newton's law of universal gravitation, F = GMm/R², which defines the force between Earth with mass M and an orbiting satellite of mass m at a distance R from Earth, G

A) is variable, depending on the masses of the two objects.
B) depends on the material occupying the space between the two objects.
C) is a constant, throughout all measured space and time.
D) depends on the speed of motion of the satellite.