## Focus questions on power for AQA GCSE Physics

- Copy and fill in the blanks.
*Power is defined as the __________ at which energy is ___________or the rate at which _______ is done.*

- Consider these equations.
- Can you see by comparing the equations that work done = energy transferred?
- What is the unit of power?
- What is the unit of energy?
- What is the unit of work done?
- What is the unit of time?
- Rearrange the equations so that. E =, t =
- Rearrange the equations so that W = and t =
- Copy the following:
*An energy transfer of 1 joule per second is equal to a power of 1 watt*.