Physics Power Formulas
Key points
- The rate at which work is being performed
- The rate at which energy is being transferred
Power is the rate at which work is being performed or the rate at which energy is being transferred.
- When a Quantity of ΔW is performed within a time interval Δt the power developed is given by:
Not in Formula Booklet but important
Formula Booklet
- Rewriting the expression above leaves us with the formula booklet expression.
- Unit: joule per second, which results in watt (W)
- 1 W = 1 J/s
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