machine
Are you referring to simple machines?
wikipedia.org/wiki/Simple_machine
machine
convert chemical energy into electrical energy
radiation
A generator. It uses the heat energy from burning gasoline or a similar fuel.
distance between charged particles
1 Watt = 1 Joule / Second = 1 Newton-meter / Second.
A compound machine is made up of two or more simple machines. Most of the machines we see today are compound machines, some examples are: zippers, can openers, bicycles, staplers, scissors, pencil sharpeners, ceiling fans, pizza cutters, wheelbarrows, and bulldozers.
conductor