Measure of gravitational attraction or force or gravity pulling one object toward the center of another object?

Answer 1

the "weight" of either one

Answer 2

The attractive force F between two masses M1 and M2 separated by a distance L is given by F = [M1 x M2]/L2 multiplied by a gravitational constant, G. If Masses are in Kg and distances in meters, the value of G is 6.67 x 10-11 , and F is in Newtons.

Answer 3

Force of gravity is measured in the same units as other forces, namely Newton (N) where 1 N = 1 kg/(m*s2). Force of gravity is given by the formula Fg = Gm1m2/r2 where m1 and m2 are the masses of the two objects and r is the distance between them. Theoretically, the two objects will move toward the centre of mass for this two-object system (e.g. two equally massive objects will move toward the midpoint of the line that connects them).
gravity

Answer 4

In our usual experience, it is the gravitational attraction of the planet Earth toward the objects on its surface which we measure, and this is called weight. It is also true that every material object has its own gravitational field, so that the stapler and the pen on my desk have a gravitational attraction for each other, but it is so small that we could not observe it.