INTRODUCTION TO MACHINE
A machine is an apparatus that is designed and build by application of physics and material science to have an apparatus that utilizes mechanical power, it comprises several parts that have a definite function and perform a particular task. Machines are known in conservation of energy by making work easy. Machines work under principles of moving parts which are usually powered by chemical, thermal, mechanical or electrically means. Machines are often motorized there are few machines that start on their own.
However there are large numbers of more complex machines do exist. Example of easy machine includes simple machine, pulley, wedge, ...
