Test yourself: Power and efficiency
Power, P = Fv, efficiency, Sankey diagrams and energy density. Practise with the simulations and worksheets first:
10 multiple-choice questions. Choose one answer and press Check: you see straight away whether you are right, with a short explanation and a link to the simulation where you can try it. Use g = 9.81 m s⁻². Your score stays on this device only.
Keys: A–D or 1–4 to choose, Enter to check.
Your score