How do you use the word gravitational in a sentence?

Answer 1

Present:

She is looking at the sand and dirt gravitate to the bottom of the bottle.

Future:

The sand and dirt will gravitate to the bottom of the bottle soon.

Past:

The sand and dirt in the water gravitated to the bottom of the bottle.

Answer 2

The gravitational pull of the Earth keeps the Moon in its orbit.

Answer 3

The gravitational force between two objects depends on their mass and distance from each other.