A Level Physics Tutor: How to Master Mechanics and Score an A*

Mechanics is where most A Level Physics students lose their A*. Not because the topic is harder than electricity, fields, or quantum — but because the maths runs deeper, the diagrams are unforgiving, and one sign error cascades through the whole question. A specialist A Level Physics tutor rebuilds mechanics from first principles so that those errors stop happening.

This guide explains the exact framework that has helped students move from predicted C grades in AS Physics to confirmed A* grades at A2, across CAIE 9702 and Edexcel 9PH0.

Why mechanics decides your A Level grade

Look at any recent Paper 4 (CAIE) or Paper 2 (Edexcel) examiner report. Three categories of mechanics question consistently appear in the bottom-quartile mark distribution:

1. Resolved-force problems on inclines. Students draw the diagram but cannot resolve weight correctly relative to the slope.
2. Conservation of momentum with energy loss. Students apply momentum but forget that kinetic energy is not conserved in inelastic collisions.
3. Circular motion with vertical loops. The minimum-speed condition at the top of a loop is missed because students do not realise tension can be zero.

If your student loses 8–12 marks on mechanics across the two A2 papers, that is the difference between an A and an A*. Fixing this is the single highest-leverage move in A Level Physics preparation.

The framework: diagram → equations → check

After teaching mechanics to several hundred A Level students, the routine that produces A* answers is always the same three steps.

Step 1 — The forces-only diagram

Before writing a single equation, the student draws the body in isolation and marks every force as an arrow with its label. Weight always acts vertically downwards from the centre of mass. Normal reaction is perpendicular to the contact surface. Friction opposes motion. Tension acts along the string away from the body.

No equations. Just the diagram. Eight out of ten mechanics mark losses trace back to a missing or mis-drawn force on this diagram.

Step 2 — Equations from Newton's second law

Choose axes that simplify the problem — for an inclined plane, the axes parallel and perpendicular to the slope, not horizontal and vertical. Then write ΣF = ma along each axis. State the equation in words first, substitute symbols, then numbers.

Step 3 — The sanity check

Before circling the answer the student runs three quick checks: are the units correct, is the sign physically reasonable, and does the magnitude make sense given everyday experience? A satellite orbiting at 5 m/s is wrong. A ball decelerating with a = +12 m/s² is wrong if it is slowing.

CAIE 9702 vs Edexcel 9PH0

The mechanics syllabus content is almost identical between the two boards, but exam style differs:

• CAIE 9702 Paper 4 rewards rapid algebraic manipulation. Students who pre-derive expressions before substituting numbers consistently outperform.
• Edexcel 9PH0 Paper 2 rewards structured written reasoning. Examiners want to see why a step is taken, not just the calculation.
• Practical papers (CAIE Paper 3/5, Edexcel Paper 3) test uncertainty propagation, graphing, and experimental design. These cannot be revised passively — they require deliberate weekly practice.

A tutor who treats both boards identically is a warning sign. Resources and mark-scheme drills must match the exam.

The six-month plan for a predicted C to A*

For a Year 12 finishing AS at a low B and aiming for A* at A2, the typical 26-week plan looks like this:

• Weeks 1–3. Diagnostic. Rebuild kinematics, Newton's laws, and energy conservation from first principles. No past papers yet.
• Weeks 4–8. Momentum, circular motion, gravitational fields. Topical past papers begin — five questions per topic, marked together.
• Weeks 9–14. Oscillations, waves, thermal physics. Two topical papers per week. First full-paper timed mock at week 12.
• Weeks 15–20. Electric and magnetic fields, capacitance, electromagnetic induction. Weekly full-paper mocks begin. Mark-scheme literacy drills.
• Weeks 21–26. Nuclear, quantum, medical/astrophysics options. Twice-weekly timed mocks. Error-classification log maintained.

By week 20 most students are scoring 75–85% on timed mocks. The final six weeks push that to 90%+ and lock in the A*.

What to look for in an A Level Physics tutor

Subject knowledge is not enough. A genuinely effective tutor offers:

• A documented teaching method. They can describe the sequence above (or their equivalent) in 60 seconds.
• Topical past-paper packs. Hand-curated, not downloaded from a generic site.
• Mark-scheme walk-throughs. They teach the student to mark their own work.
• Practical-paper coverage. They prepare your student for Paper 3 / Paper 5 explicitly, not as an afterthought.
• Free trial lesson. Any reputable tutor offers one. Use it.

Online Physics tutoring works

A shared interactive whiteboard, the ability to annotate past papers in real time, and recorded sessions a student can rewatch make online A Level Physics tutoring as effective as in-person — often more effective, because the student can review the recording before the next session.

Book a free trial

If your child is preparing for A Level Physics with CAIE 9702 or Edexcel 9PH0 and you want a written, honest assessment of where they stand and what an A* would require, book a free 30-minute trial.

Aim for an A in A Level Physics?* Book a free trial lesson or message us on WhatsApp.