5. Power

Available for over a year

In this episode, James Stewart and Ellie Hurer share the equations you need to know to calculate an object's power and compare how powerful two different electrical motors are. Suitable for: AQA, Edexcel, OCR. For more information on power, check out the BBC Bitesize website: https://www.bbc.co.uk/bitesize/guides/zp8jtv4/revision/2 Key learning objectives discussed in this episode: - Power is defined as the rate at which energy is transferred or the rate at which work is done. power = energy transferred ÷ time power = work done ÷ time - Students should be able to give examples that illustrate the definition of power e.g. comparing two electric motors that both lift the same weight through the same height but one does it faster than the other.