Edexcel IGCSE Physics · Spec 4.4-4.5
Work Done & Power
Work done and power, and how they are related.
Physics revision video
Work Done & Power
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Spec 4.4-4.5
What you need to know
- Define work done as energy transferred
- Use work done equals force times distance
- Understand power as energy per second
Active recall
Quick check
Answer each question before opening the answer.
What is the equation for work done?
Work done = force × distance moved in the direction of the force (W = F × d).
What is power?
The rate of energy transfer (work done per second); P = E ÷ t.
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