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Energy ((Energy stores and Systems (Energy is transferred between stores…

- - - - NEED TO KNOW (energy stores)
        
        THERMAL
        
        KINETIC
        
        GRAVITATIONAL POTENTIAL
        
        ELASTIC POTENTIAL
        
        CHEMICAL
        
        MAGNETIC
        
        ELECTROSTATIC
        
        NUCLEAR
      - Energy is transferred mechanically (by a force doing work), electrically (work done by moving charges), by heating or by radiation (e.g. light or sound)
      - When energy is transferred to an object, the energy is stored in one of the objects energy stored
    - - 1) A system is just a fancy word for a single object (e.g. the air in a piston) or a group of objects (e.g. two colliding vehicles) that you are interested in.
      - 2) When a system changes, energy is transferred.it can be transferred into or away from the system, between different objects in the system or between different types of energy stores
      - 3) Closed systems are systems where neither matter nor energy can enter or leave. the net change in the total energy of a closed system is always 0