P1: Conservation and dissipation of energy

• Energy


  The ability to do work

  
• Joules


  Unit of energy and work done
• The Law of Conservation of Energy

  Energy cannot be created or destroyed, it can only be transferred or stored

  
• Closed system


  A system in which no energy transfers take place out of/into the energy stores of the system

  
• Kinetic Energy


  Energy a moving object has because of its motion

  
• Gravitational Potential Energy


  Energy an object has because of its position in a gravitational field

  
• Elastic Potential Energy


  Energy an object has when it is stretched or compressed

  
• Chemical Energy


  Energy stored in the chemical bonds between atoms

  
• Thermal Energy


  Energy of motion in the particles of a substance

  
• Magnetic Energy


  Energy an object has due to its position in a magnetic field

  
• Electrostatic Energy


  Energy an object has due to its position in an electric field

  
• Internal Energy


  Energy due to the motion and position of particles in an object

  
• Nuclear Energy


  Energy stored in the nucleus of an atom

  
• Useful energy


  Energy transferred to where it is wanted in the way it is wanted.

  
• Wasted energy


  Energy that is not usefully transferred