Phyiscs

• Types of energy

  • Kinetic
  • Gravitational potential
  • Elastic potential
  • Light
  • Nuclear
  • Sound
  • Thermal
• Sound energy is difficult to convert into other energy types
• Energy can be transferred but not created or destroyed
• Transducer


  Converts energy from one form to another
• Sankey diagrams show energy transfers
• Energy

  The ability to do work
• Work = Force x Distance
• Energy is always conserved
• Waste energy is energy that cannot be usefully converted
• Efficiency = (Useful output energy / Total input energy) x 100%