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.
A white tongue, or white spots on your tongue, could be an indication of: 1  Oral thrush: a yeast infection that develops inside the mouth.  Leukoplakia: a condition in which the cells in the mouth grow excessively, which leads to white patches on the tongue and inside the mouth.