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10 Cards in this Set
- Front
- Back
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energy |
Is the ability to do work |
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joule ( J ) |
Unit of energy |
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active energy |
Form of energy that causes the movement of either objects, particles or waves |
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potential energy |
Form of stored energy that can be turned into active energy e.g. gravitational potential |
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energy transformation |
Changes that occur when an object works to change one energy form into another. |
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input energy |
The energy used by the object |
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output energy |
The energy given out by an object |
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wasted energy |
The output energy that is not useful in making the object work. |
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the law of energy conservation |
Energy cannot be made or destroyed, it can only be transformed. |
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energy efficiency |
How much of the input energy is transformed to a useful form. Represented as a %. |
