Physics

  • Created by: Ed200
  • Created on: 21-05-18 21:48
What is energy?
The capacity for something to do work
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What is the formula for Gpe (gravitational potential energy)?
Gpe=m x g x h
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What is kinetic energy?
Energy that is needed in moving objects
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Give examples of forms of energy?
Heat Light kinetic sound chemical Elastic
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What is the formula for kinetic energy?
Ek=1/2 x m v^2
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What is a system in enrgy?
It is an object or group of objects
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What is specific heat capacity?
The amount of enrgy that is needed to heat a substance by 1 degree
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What is the formula for efficiency?
Efficiency=useful energy output / total energy input
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What are the units for power?
Watt, W
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What is meant by an infinite power sorce?
A power source that will never run out
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What is meant by a finite power source?
A power source that will run out over time
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Give an example of a finite energy source?
Fossil fuels- oil , coal , gas and nuclear
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Give an example of an infinite energy resource?
wind , solar , bio fuel , tidal
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Other cards in this set

Card 2

Front

What is the formula for Gpe (gravitational potential energy)?

Back

Gpe=m x g x h

Card 3

Front

What is kinetic energy?

Back

Preview of the front of card 3

Card 4

Front

Give examples of forms of energy?

Back

Preview of the front of card 4

Card 5

Front

What is the formula for kinetic energy?

Back

Preview of the front of card 5
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