What Is A Machine?

A machine is a useful tool that helps us in our work and save our time and energy. There are three major types of machines; Simple Machine, Manual Machine and Automatic Machines. Simple machines are very easy to use and plain in shape. For example, pencil, pen, scissor, saw, hammer campos etc. Manual Machines are those machines that are used by the muscular power. Manual Machines are carts, boast, tongas etc. Automatic Machines are driven by power which may be steam or electricity or heat etc. there are four major types of automatic machines. Category one Automatic machines are those machines that are driven by fuel. Examples of this type of automatic machines are aeroplane, motorbike, car, van etc.

Category two Automatic machines are those machines that are driven by steam. Examples of this type of automatic machines are steam engine and steam tractor etc. Category three automatic machines are those machines that are driven by electricity. Examples of this type of automatic machines are microwave, telephone, iron, blender, video camera, sewing machines, refrigerator etc. Category four automatic machines are those machines which are driven by solar energy. Example of this type of automatic machines are wrist watches, calculator etc