Suppose that an object weighs 30 Newton on the
surface of the earth (a distance of R from its center). If
the same object is located a distance of 2R above the
Earth's surface (a distance of 3R from its center), then
the force of gravity upon it would be
Newton.
a. 3.33
b. 7.50
c. 10.0
d. 15.0
e. 30.0
f. 60.0
g. 90.0
h. 120.
i. 270