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13 Cards in this Set
- Front
- Back
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What is energy? |
The ability to do work |
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What is work? |
Work is an applied force causing a displacement |
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What is the unit for work/energy? |
Newton times meter or Joules |
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Kinetic energy |
Energy associated with movement |
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Potential energy |
Energy stored in an object relating to its location |
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Mechanical motion |
Energy of larger( anything you can see) moving objects. RotationalLinearKE= ½ mv squared |
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Gravitational energy |
Energy possessed due to an object's location within a gravitational field |
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Elastic enerfy |
Energy stored in deforming an object U= 1/2 kx2 |
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Electrical energy |
Energy stored in electrical systems due to charge |
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Magnetic energy |
Energy stored in the presence of a magnetic field |
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Chemical energy |
The energy in making or breaking chemical bonds |
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Thermal energy |
Energy of a small (something you can’t see but you can feel it) moving object |
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What is the conservation of energy |
The change in energy of a closed system is zeroEb= EaEnergy can neither be created nor destroyed, only transformed |
