energy

• what are the energy stores?

  thermal

  kinetic energy

  gravitational potential

  elastic potential

  chemical

  magnetic

  electrostatic

  nuclear
• how is energy transferred?


  by heating or doing work
• what does work done mean?


  energy transferred
• formula for power?


  energy transferred or work done/time
• what is energy?

  energy can be transferred, stored or dissipated but can never be created or destroyed
• formula for efficiency?

  useful output/total input