The second law of thermodynamics can be expressed as follows: It is not possible to achieve perpetual motion based on continuous reciprocal conversion between two forms of energy.
The visual examines the second law of thermodynamics for heat engines.

 

Licencia de Creative Commons Licencia Creative Commons Reconocimiento-No Comercial-Compartir Igual 3.0 España
logo INTEF Ministerio de Educación, Cultura y Deporte