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.
Diabetes can also lead to tiny pricking sensation no the skin. An increased sugar levels on the blood disturbs he natural functioning of the nerves. This translates to ting creeping and crawling sensation from your legs and feet. It can also affect the fingers, hands and the forearm.eanwhile, peripheral neuropathy can also contribute to needleprick feeling on hands and legs. The cause may be due to a lumbar or spinal damage. However, anxiety and stress are known to contribute to waving pinprick sensation no the skin in different body parts.