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.
A lesion can develop on the tongue for a variety of reasons, some of which are avoidable, while others are not. Here are a few causes: TheraBreath toothpaste does not use sodium lauryl sulfate, a harsh detergent known to instigate canker sores. 1  Acidic, spicy, or salty foods.  Changes in hormonal balance.