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 tongue is a coating of debris, bacteria and dead cells on your tongue that makes it look white.Although the appearance of white tongue may be alarming, the condition is usually harmless and temporary.owever, white tongue can be an indication of some serious conditions, ranging from infection to a precancerous condition. If you're concerned about a white coating or white spots on your tongue, contact your doctor or dentist. 1  Causes.