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.
You could notice large bumps on tongue, a painful bump on tongue or a painless white bump on tongue or a hard spot on tongue. Tongue bumps can also be red, yellow, a cluster, single, on the side of the tongue, at the back of the tongue near the throat, under tongue or on the tip of the tongue.