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9702/41/M/J/25 04:00 [4]

1 (a) A mass on a spring oscillates with simple harmonic motion. Explain why the acceleration of the mass is not constant during one oscillation, and state where the acceleration has its maximum magnitude.

Acceleration is proportional to the displacement from equilibrium, and the displacement changes continuously through the cycle, so the acceleration changes with it. It is always directed back towards equilibrium, and is greatest in magnitude at maximum displacement.
0 / 4 marks A

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How it works

Three steps, one paper

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1

Pick your syllabus

O Level or A Level, then the subject and paper — 9702 Paper 4, 4024 Paper 2, whatever you're sitting. Narrow it to specific topics if you want.

2

Sit it properly

The paper opens with a timer running at roughly a minute a mark, exactly like the real thing. Write your answers in full. Print it if you'd rather do it on paper.

3

Get marked

Every written answer is marked point by point against the mark scheme. You get your marks, an indicative grade, and the exact topics that cost you.

Built to exam conventions

Why it reads like the real paper

Most "AI practice questions" are quiz trivia with a subject label on top. These are built to exam conventions.

Real command words

State, Describe, Explain, Calculate, Suggest, Evaluate — used correctly, and matched to the marks. A 1-mark question never says "Discuss".

Real mark allocation

One mark per creditworthy point. A 4-mark question genuinely needs four distinct points, so you learn how much to write.

Real mark schemes

Examiner shorthand, accepted alternatives, and error-carried-forward — the same conventions you'd see in an official mark scheme.

Real difficulty ramp

Papers start accessible and finish with genuine A*-level discriminators, so a full paper feels like a full paper.

Strict syllabus scope

Every question is grounded on your exact syllabus code and its topic list. Nothing off-syllabus, nothing from the wrong level.

Weak-topic re-sits

Finish a paper and you can immediately generate a new one built only from the topics that cost you marks.

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Who made this

Built by a student sitting the same papers

I ran out of past papers before I ran out of revision time. Everything here exists because I wanted it for my own A Levels first — the timer at a minute a mark, the mark scheme written with the question, the re-sit built from only the topics that cost me marks.

What we cover

31 syllabuses, set up properly

Each one carries its real paper structure, mark totals, durations and topic list.

9709A LevelMathematics 6 papers · 29 topics Paper 1 · 75 marks · 110 min 9702A LevelPhysics 5 papers · 24 topics Paper 4 · 100 marks · 120 min 9701A LevelChemistry 4 papers · 22 topics Paper 4 · 100 marks · 120 min 9700A LevelBiology 4 papers · 19 topics Paper 4 · 100 marks · 120 min 9618A LevelComputer Science 4 papers · 17 topics Paper 1 · 75 marks · 90 min 9708A LevelEconomics 4 papers · 12 topics Paper 4 · 70 marks · 135 min 9609A LevelBusiness 3 papers · 14 topics Paper 3 · 100 marks · 180 min 9706A LevelAccounting 3 papers · 13 topics Paper 3 · 100 marks · 180 min 9990A LevelPsychology 3 papers · 13 topics Paper 1 · 60 marks · 90 min 9093A LevelEnglish Language 3 papers · 9 topics Paper 1 · 50 marks · 135 min 9231A LevelFurther Mathematics 4 papers · 22 topics Paper 1 · 75 marks · 120 min 4024O LevelMathematics 2 papers · 9 topics Paper 1 · 100 marks · 120 min 0580IGCSEMathematics 4 papers · 9 topics Paper 2 · 100 marks · 120 min 4037O LevelAdditional Mathematics 2 papers · 15 topics Paper 1 · 80 marks · 120 min 5054O LevelPhysics 3 papers · 20 topics Paper 2 · 75 marks · 105 min 0625IGCSEPhysics 3 papers · 24 topics Paper 4 · 80 marks · 75 min 5070O LevelChemistry 3 papers · 15 topics Paper 2 · 75 marks · 105 min 0620IGCSEChemistry 3 papers · 12 topics Paper 4 · 80 marks · 75 min 5090O LevelBiology 3 papers · 16 topics Paper 2 · 75 marks · 105 min 0610IGCSEBiology 3 papers · 17 topics Paper 4 · 80 marks · 75 min 2210O LevelComputer Science 2 papers · 10 topics Paper 1 · 75 marks · 105 min 2281O LevelEconomics 2 papers · 11 topics Paper 2 · 90 marks · 135 min 7115O LevelBusiness Studies 2 papers · 13 topics Paper 1 · 80 marks · 90 min 1123O LevelEnglish Language 2 papers · 8 topics Paper 1 · 60 marks · 120 min 2059O LevelPakistan Studies 2 papers · 11 topics Paper 1 · 75 marks · 90 min 2058O LevelIslamiyat 2 papers · 8 topics Paper 1 · 50 marks · 90 min 0450IGCSEBusiness Studies 2 papers · 19 topics Paper 1 · 80 marks · 90 min 0455IGCSEEconomics 2 papers · 28 topics Paper 2 · 90 marks · 135 min 0478IGCSEComputer Science 2 papers · 10 topics Paper 1 · 75 marks · 105 min 0500IGCSEEnglish 2 papers · 10 topics Paper 1 · 80 marks · 120 min 0606IGCSEAdditional Mathematics 2 papers · 14 topics Paper 1 · 80 marks · 120 min

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How paying works

You transfer to the account shown at checkout using your own reference, then upload the receipt. A person reviews it — usually within about 20 minutes — and starts your month. Nothing is charged automatically and nothing recurs without you sending it.

Schools and academies

Set one paper. Mark thirty.

If you teach a class through 9702 or 4024, you already know the problem: there are only so many past papers, and marking thirty scripts by hand costs your evening. Set one paper for the whole class and get every script marked against the same scheme.

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Do I need a card to start?

No. A free account gives you one 6-question paper a day, marked in full, without any payment details. You only pay if you want unlimited full-length papers.

What happens if I cancel?

You keep access until the end of the period you have already paid for, then drop back to the free daily paper. Your scores, weak topics and history stay in your account.

How accurate is the marking?

Your answer is marked point by point against the mark scheme written with the question, awarding whole marks and crediting valid alternative wording. It is practice feedback, not an official Cambridge mark, and the grade shown is indicative only.

What if a question or a mark scheme is wrong?

Report it on the question itself. It gets reviewed with your answer and the scheme attached, and if the scheme was wrong the mark is corrected and your score updated.

Are these real past papers?

No, and they never will be. Cambridge past papers and mark schemes are Cambridge's copyright. Every question here is written from scratch in the same style — the same command words, mark allocation and mark-scheme conventions. Every paper we write is kept in the paper library, free to browse and sit — all of it our own work, none of it Cambridge's.

Are the questions invented, or grounded in something?

Grounded. Every question is generated against the real syllabus document for your code — its paper structure, mark totals, durations and topic list — so it cannot wander off-syllabus or pull in material from the wrong level.

Do I type my answers or write them?

You type them, so what gets marked is the physics, not your penmanship. That is a real difference from the exam hall and worth knowing before you rely on the score. If you would rather write by hand, print the paper and use the timer alongside it.

Is using this allowed?

Yes. It is practice material you write and mark yourself, the same as working through a textbook or a revision guide. It is not connected to any exam board and produces no official result.