EAN: 9783748208969

UNDERSTANDING THE BASICS OF ENERGY - HARALD MEH...

Energy dominates our lives  anytime  everywhere  in many ways. Energy shows up in a variety of
energy forms  for example when an object moves as kinetic energy  when lifted as gravitational
energy  when compressed as deformation energy  when heated as thermal energy  and in the energy
system as electric  magnetic  chemical  or nuclear energy. Energy can be converted between
energy forms while it is overall conserved. How is it possible that a single term describes and
relates such a variety of different things? Moreover  despite using the term energy almost
anytime and everywhere  there is today no satisfactory explanation of what energy is 
definitions range from the ability to do work to being a number. Understanding the basics of
energy takes the reader on a discovery of what energy is. It is based on the common concept
that nature can be understood looking at the motion and interaction of objects  like particles
and applies this concept for the first time systematically from simple to complex situations.
This way  the basics of energy can be understood  like the origins of the different energy
forms  how energy is converted between them  and why energy is overall conserved. The book
includes many examples and the historic background how the concept of energy evolved.

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