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Energy
Review of Energy and Work
Question | Answer |
---|---|
the ability/capacity to do work | energy |
amount of work done if object does not move | Zero Joules |
stored energy of object at rest | potential |
SI unit for energy and work | Joule |
Force times distance | work |
energy of object in motion | kinetic |
SI unit for force | Newton |
SI unit for Power | Watt |
Work divided by time | power |
The Non-SI unit for power (used in cars) | horsepower |
If work is being done using an angle, this is added to the formula | cos (angle) |
height is important in this type of energy | potential |
speed/velocity is important in this type of energy | kinetic |