Usually, an unrecognized cancer will have other symptoms or abnormalities of laboratory tests, in addition to unexplained weight loss. Potential causes of unexplained weight loss include: 1  Addison's disease (adrenal insufficiency).
Work done W = F.S, its units are force times length. The SI unit of work is Newton-meter (Nm). Another name for it is Joule (J). ==. 24 people found this useful.
This is expressed as W = F x d. Work is measured in units called joules (pronounced jools). When you hold your arms over your head, you aren't moving anything. But mechanical work involves both force and distance, and there isn't any distance. Ergo, you're doing no mechanical work.