because we need it in our everyday lives,if there is no energy you will not livewell yeah and also people depend on it so much that we dont rely on are knowledge so its mostly technology that runs...
Kinetic energy is a form of energy, not used.The law of conservation of energy states: 'Energy can neither be created nor destroyed, just converted from one form to another'. This means that kinetic...
Wind energy relies on a propeller like instrument that is moved by the wind. When the blades of it are turning it is connected either directly, or through a set of gears to a generator of some kind....
It is used in doing work. Work can be used in a general sense, not only mechanical work, but in fact any process that uses energy, so your question becomes a circular argument.