PrepPals 21-day Physics revision checklist



[ ] Day 1: Kinematics Fundamentals
Identify the quantities in a motion question and explain what each one describes.

[ ] Day 2: Uniform Acceleration and Free Fall
Recognise an acceleration or free-fall situation before choosing a method.

[ ] Day 3: Newton's Laws of Motion
Identify the object being studied and explain which motion principle applies.

[ ] Day 4: Forces and Force Analysis
Draw the forces before starting a calculation; note any unclear interaction.

[ ] Day 5: Vector Addition and Forces
Check the direction of each force and how you would combine the effects.

[ ] Day 6: Projectile Motion and Circular Motion
Distinguish the motion models and explain why you selected one.

[ ] Day 7: Gravitation and Celestial Motion
Identify the objects and conditions in a gravitational-motion question.

[ ] Day 8: Work and Power
Distinguish work from power and state what the question asks you to find.

[ ] Day 9: Kinetic Energy and Work-Energy Theorem
Connect a change in motion with the energy method you would use.

[ ] Day 10: Potential Energy and Conservation of Mechanical Energy
Check whether your chosen energy approach fits the situation.

[ ] Day 11: Momentum and Impulse
Identify the system and the before-and-after quantities in an interaction.

[ ] Day 12: Conservation of Momentum
Explain which conditions need checking before using a conservation approach.

[ ] Day 13: Simple Harmonic Motion and Mechanical Waves
Distinguish an oscillation from a travelling wave and identify its quantities.

[ ] Day 14: Electric Field and Electric Field Strength
Read an electric-field situation and explain the direction you would analyse.

[ ] Day 15: Electric Potential and Electric Potential Energy
Distinguish potential from potential energy; record any confusing comparison.

[ ] Day 16: Circuit Fundamentals and Ohm's Law
Read the circuit before calculating and identify the quantity being requested.

[ ] Day 17: Electrical Power and Energy
Check what the electrical energy or power question is actually comparing.

[ ] Day 18: Magnetic Field and Lorentz Force
Identify the field, moving object and direction information in the setup.

[ ] Day 19: Electromagnetic Induction
Recognise the changing situation in an induction question before selecting a method.

[ ] Day 20: Optics
Draw the light path and check which optical situation is being described.

[ ] Day 21: Full Mock Test and Review
Review an earlier mock and retry recurring errors. Ask for feedback on unresolved models.



Zero net force means zero acceleration: the object stays at rest or keeps a constant velocity. A non-zero net force changes velocity in the direction of that force.

For your next force question, draw the forces, choose a positive direction and find the net force before using Fnet = ma.

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