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.
Hi there, White spots on the tongue can be seen with infection or chronic inflammation of the surface of the tongue. Certain oral infections, like Candida yeast infections can cause a white tongue. Inflammation and whitening of the tongue can also occur due to smoking, dryness. Few white patches on the tongue, known as leucoplakia can be precancerous lesions. A clinical examination can confirm the exact cause of this white patch.