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 frequent use of drugs such as aspirins can cause white spots in the throat that looks like burn. This condition becomes more apparent, especially if the pill is chewed instead of swallowed. If the spots in your throat are caused by you taking frequent drugs, use less and swallow instead of chew.