Physics 2 - Work and Potential energy

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  • Created by: Sash
  • Created on: 21-05-13 12:45

Work and Potential Energy

When a force moves an object through a distance, ENERGY IS TRANSFERRED and WORK IS DONE.

  • Whenever something moves, something else is providing some sort of effort to move it.
  • The thing putting the effort in needs a supply of energy (like fuel, food, etc...)
  • It then does work by moving the object - it transfers the energy it receives into other forms
  • Whether this energy is transferred usefully or is wasted, you can still say that work is done. 


Whther the force is friction or weight or tension in a rope, it's always the same. To find how much energy has been transferred (in joules), you just multiply this force in Newtons by the istance moved…


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