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10 Cards in this Set
- Front
- Back
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Work |
Transfer of energy when force is applied over a distance; measured in joules |
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Efficiency |
Ratio of the output work done by the machine to the input work done on the machine, expressed as a percentage. |
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Kinetic Energy |
Energy a moving object has because of its motion; determined by the mass and speed of the object. |
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Potential Energy |
Energy that is stored due to the interactions between objects. |
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Elastic potential energy |
Energy that is stored by compressing or stretching an object. |
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Chemical energy |
Energy that is due to chemical bonds. |
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Gravitational potential energy |
Energy that is due to the gravitational force between objects. |
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Law of conservation of energy |
States that energy cannot be created or destroyed. |
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Power |
Rate at which energy is converted; measured in watts. (W) |
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Mechanical energy |
Sum of the potential energy and kinetic energy of the objects in a system. |
