What this practice covers
These questions are drawn from past CIE 0654 Co-ordinated Sciences papers and filtered to motion, forces and energy. You answer, you find out immediately whether you were right, and you get the reasoning for the correct option and for each distractor. Wrong answers go to a mistakes locker so you can come back to exactly those.
Practice is free. You need an account only so your progress and your mistakes are still there next time.
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What examiners see students get wrong here
These are the errors that cost marks on motion, forces and energy, taken from our own topic notes. Read them before you practise and you will recognise the traps in the questions.
- Reading a horizontal line on a speed-time graph as stationary.
- Taking the area under a distance-time graph, which means nothing.
- Saying a body moving at constant speed has a resultant force pushing it along.
- Using mass in newtons or weight in kilograms.
- Forgetting to square the speed in the kinetic energy formula, or to halve it.
- Saying energy is "used up".
- Giving an efficiency above 100%.
Revise it first
If any of the above is unfamiliar, work through the notes before practising: Motion, forces and energy revision notes.