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set 1
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energy is transferred by
heating, waves, an electric current, or when a force moves an object
types of energy store
kinetic, gravitational potential, elastic potential, thermal, chemical, nuclear, magnetic, electrostatic
when an object falls and gains speed
gpe decreases and kinetic energy store increases
when a falling object hits the ground without bouncing back
kinetic energy store decreases, some energy is transferred to the surroundings, thermal energy store of the surroundings increases, energy transferred by sound waves