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.
Many possibilities: The feeling of bugs crawling on your skin can be caused by a variety of different conditions some of which including peripheral neuropathy, fibromyalgia, vitamin B12 deficiency, morgellons disease and side effects to medications. You may even actually have little bugs crawling on your skin.any possibilities: The feeling of bugs crawling on your skin can be caused by a variety of different conditions some of which including peripheral neuropathy, fibromyalgia, vitamin B12 deficiency, morgellons disease and side effects to medications. You may even actually have little bugs crawling on your skin.