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.
The color, shape, and location of spots on your tongue can usually help you identify the cause. Practicing good oral hygiene can reduce your risk for tongue spots. Tell your doctor about spots on your tongue, especially if they donât resolve within a few weeks.