A machine is a tool containing one or more parts that uses energy to perform an intended action. Machines are usually powered by mechanical, chemical, thermal, or electrical means, and are often motorized. Machine tool is also the machine but it must have the following things. 1: Tool holding device.
law noun (RULE) B1 [ C ] a rule, usually made by a government, that is used to order the way in which a society behaves: There are laws against drinking in the street. The laws governing the possession of firearms are being reviewed. They led the fight to impose laws on smoking.
By Anne Marie Helmenstine, Ph.D. Law Definition: A law in science is a generalized rule to explain a body of observations in the form of a verbal or mathematical statement. Scientific laws imply a cause and effect between the observed elements and must always apply under the same conditions. Scientific laws do not try to explain the 'why' the observed event happens, but only that the event actually occurs the same way over and over.