Energy Transfer

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  • Created by: HLeiper
  • Created on: 03-04-14 13:11
Principle of conservation energy
Energy can never be created nor destroyed - only ever transferred from one form to another
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Efficiency
Useful energy output/total energy input
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Wasted Energy
No device is 100% efficient and the wasted energy is always dissipated as heat
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Conduction
Vibrating particles pass on their extra kinetic energy to neighbouring particles
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Convection
The more energetic particles move from the hotter region to the cooler region and take their heat with them
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Radiation
Energy that comes from a source and travels through some material or space
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Insulation
Something that does not conduct
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Work Force Distance Moved
Work = force x distance moved
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Gravitational potential energy
GPE = mass x gravity x height
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Kinetic energy
KE = 1/2 x mass x speed ^2
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Power
Rate of transfer of energy or rate of doing work Power = Work Done/Time Taken
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Other cards in this set

Card 2

Front

Efficiency

Back

Useful energy output/total energy input

Card 3

Front

Wasted Energy

Back

Preview of the front of card 3

Card 4

Front

Conduction

Back

Preview of the front of card 4

Card 5

Front

Convection

Back

Preview of the front of card 5
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