Revision cheat sheets
One printable page per lesson: definitions, equations, diagrams, a worked example, common mistakes and quick recall questions. Each sheet is written for its own syllabus.
Choose your curriculum
Currently viewing: AS Level (Cambridge 9702)
AS Level Physics
- 9702 AS Ch.1 · Lesson 1.1SpeedCalculate average speed in m s⁻¹ and tell it apart from instantaneous speed.
- 9702 AS Ch.1 · Lesson 1.2Distance and displacementTell distance from displacement and scalars from vectors, and find a displacement from two perpendicular moves.
- 9702 AS Ch.1 · Lesson 1.3Speed and velocityCalculate average velocity from displacement and contrast it with average speed.
- 9702 AS Ch.1 · Lesson 1.4Displacement–time graphsRead velocity from the gradient of a displacement–time graph, including from a tangent to a curve.
- 9702 AS Ch.1 · Lesson 1.5Combining displacementsAdd two vectors tip to tail, and split one vector into two perpendicular components.
- 9702 AS Ch.1 · Lesson 1.6Combining velocitiesAdd velocities as vectors, for boats crossing rivers and aircraft in a wind.
- 9702 AS Ch.1 · Lesson 1.7Subtracting vectorsFind a change in velocity, Δv = v₂ − v₁, by adding the reverse of the first vector.
- 9702 AS Ch.1 · Lesson 1.8Other scalar and vector quantitiesClassify common quantities as scalars or vectors, and explain why.
- 9702 AS Ch.2 · Lesson 2.1The meaning of accelerationSay what acceleration is, and recognise speeding up, slowing down and changing direction as acceleration.
- 9702 AS Ch.2 · Lesson 2.2Calculating accelerationUse a = (v − u)/t and rearrange it for v, u or t.
- 9702 AS Ch.2 · Lesson 2.3Units of accelerationExplain why acceleration is in m s⁻², and convert other units to it.
- 9702 AS Ch.2 · Lesson 2.4Deducing accelerationFind acceleration from the gradient of a velocity–time graph.
- 9702 AS Ch.2 · Lesson 2.5Deducing displacementFind displacement from the area under a velocity–time graph.
- 9702 AS Ch.2 · Lesson 2.6Measuring velocity and accelerationFind a velocity from a light gate and an acceleration from two velocities.
- 9702 AS Ch.2 · Lesson 2.7Velocity and acceleration in the labAnalyse a ticker tape to find velocities and an acceleration.
- 9702 AS Ch.2 · Lesson 2.8The equations of motionChoose and use the right suvat equation for uniform acceleration in a straight line.
- 9702 AS Ch.2 · Lesson 2.9Deriving the equations of motionDerive the four suvat equations from a velocity–time graph.
- 9702 AS Ch.2 · Lesson 2.10Uniform and non-uniform accelerationTell uniform from non-uniform acceleration on a graph, and handle a curved v–t graph.
- 9702 AS Ch.2 · Lesson 2.11Acceleration caused by gravityUse g = 9.81 m s⁻² in the suvat equations for objects falling, or thrown up, without air resistance.
- 9702 AS Ch.2 · Lesson 2.12Determining gDescribe a free-fall experiment to find g, and get g from a graph of s against t².
- 9702 AS Ch.2 · Lesson 2.13Projectile motionTreat horizontal and vertical motion separately for an object launched horizontally.
- 9702 AS Ch.2 · Lesson 2.14Understanding projectilesSolve problems for a projectile launched at an angle by resolving its initial velocity.
- 9702 AS Ch.6 · Lesson 6.1The idea of momentumCalculate momentum and the change in momentum, with the direction as a sign.
- 9702 AS Ch.6 · Lesson 6.2Conservation of momentum and collisionsUse conservation of momentum to find an unknown velocity or mass after a collision.
- 9702 AS Ch.6 · Lesson 6.3Understanding collisionsTell elastic from inelastic collisions using kinetic energy or relative speeds.
- 9702 AS Ch.6 · Lesson 6.4Explosions and crash-landingsUse zero total momentum to find recoil velocities, and explain where momentum goes in a crash-landing.
- 9702 AS Ch.6 · Lesson 6.5Collisions in two dimensionsSolve a glancing collision by conserving momentum in two perpendicular directions.
- 9702 AS Ch.6 · Lesson 6.6Momentum and Newton’s laws of motionUse force = rate of change of momentum, including for collisions and streams of fluid.
- 9702 AS Ch.6 · Lesson 6.7Understanding motionLink Newton’s three laws to momentum, and explain conservation of momentum with the third law.