A centripetal force (from Latin centrum center and petere to seek) is a force that makes a body follow a curved path. Its direction is always orthogonal to the motion of the body and towards the fixed point of the instantaneous center of curvature of the path.
There are a number of things that can cause a whitish coating or white spots to develop on the tongue, including the f ollowing: 1  Leukoplakia. 2  Oral thrush. 3  Oral lichen planus.
Anything you put in your mouth can alter the color of the spots, including food, caffeine, and mouthwash. Bacteria and yeast can take hold causing the spots to begin to look like hair. Other symptoms include a tickling or burning sensation on your tongue or the roof of your mouth.