ENERGY, WORK & POWER

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ENERGY

= ability to do work

  • measured in joues
  • energy comes from the food we eat in a chemcial energy form. it is held in my bond in the molecule. the energy is realised through digestion and respiration
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ENERGY TYPE

  • Chemical energy... food
  • Kinetic energy.. movement
  • Potential energy.. graviational 
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WORK

= force (neutons) X distance (metres)

  • joules 
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POWER

= work done (J)/ time taken(secs)

  • watts 
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