Differetiative the kind of energy

Answer 1

enery can be divide into 2 classes 1. is mechanical energy-- this is the energy required to do work. Examples would be the rolling of a wheel, lifting a weight and energy that uses simple machiines (or a bunch of simple machines put together to make a more complicated design or arrangement.) 2. is potential energy-- this is "stored" energy like the heat released in burning a fuel (aka: chemical energy), or the energy of position such as a swing at the top of it's pendulum swing.