In the exam, every equation is on the equation sheet – but nobody tells you which one to use. These sets mix up all the equations in a topic, so you practise choosing.
How to choose the right equation
- List what you know with units, e.g. m = 2.0 kg, v = 6.0 m/s.
- Write what you want, e.g. Eₖ = ?
- Find the equation on the sheet that contains all of them – and nothing else you don’t know.
- Use the units as clues: kg and m/s → kinetic energy; W and s → energy or power; kg/m³ → density.
Choose a topic
Each set has 12 questions ramped from F to H. Questions on Separate-only equations are labelled (S only). g = 9.8 N/kg.
