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.
White Spots on Tongue, Bumps, Patches, Painful, Sore Throat, STD, on Sides, Back, Tip, Causes and Treatment. What causes white spots on tongue? Are the white bumps and patches painful? Get more insights on the causes of white stuff on your tongue, symptoms, treatment and how to get rid of a sore painful tongue fast.