In mechanics, a force is that which causes a change in velocity or, if you prefer, that which causes an acceleration. When more than one force acts on an object it is the net force that is important. Since force is a vector quantity, use geometry instead of arithmetic when combining forces.
Quick Answer. A crawling sensation felt on the skin may be caused by a condition called morgellons, according to WebMD. Common symptoms of morgellons include feeling like bugs are crawling on the skin, burning, itching and stinging sensations. In some cases skin sores may appear as well.
2 doctors agreed: Maybe neuropathy: Neuropathy can cause abnormal sensations, and can be due to a number of medical reasons. If this persists, and is significant enough to wake you up, talk to a doctor about this. If the skin on your feet are very dry, the itching can be intense enough to feel deeper in the foot. Talk to your doctor about this if skin lotions do not help. ...Read more. See 1 more doctor answer.