Difference between revisions of "Power"
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Revision as of 17:21, 2 December 2018
Key Stage 3
Meaning
Power is the rate of Energy Transfer.
About Power
- Power is how quickly energy is transferred from one store into another.
- Energy Transfered is the same as Word Done, so power is also the rate of work done.
Equation
\[Power = \tfrac{Energy Transferred}{Time}\] \[P = \tfrac{E}{t}\]
\[Power = \tfrac{Work Done}{Time}\] \[P = \tfrac{W}{t}\]
Where:
- P = Power
- E = Energy Transferred = W = Work Done
- t = Time