Newton's laws of motion explained with worked examples
Learn Newton's three laws, use F = ma and understand inertia and action-reaction pairs, with worked examples and practice questions.
KS3GCSEMiddle SchoolHigh School⚡ Physics · 14 guides
Physics revision notes for GCSE and high school
Learn the equations and when to use them. Guides on forces, momentum, energy, circuits, waves and radioactivity show each calculation step by step, with practice questions to test yourself.
Speed, velocity and acceleration: formulas and examples
Calculate speed and acceleration, read distance-time and velocity-time graphs and use v² = u² + 2as, with worked examples.
KS3GCSEMiddle SchoolHigh SchoolKinetic and potential energy: formulas and worked examples
Use the kinetic and gravitational potential energy formulas, apply conservation of energy and calculate efficiency, with worked examples.
GCSEHigh SchoolOhm's law and electric circuits: series and parallel
Use V = IR, compare series and parallel circuits and calculate power, with worked examples and practice questions.
GCSEHigh SchoolThe wave equation: wavelength, frequency and wave speed
Use v = fλ, tell transverse from longitudinal waves and put the types of electromagnetic radiation in order, with worked examples.
GCSEHigh SchoolResultant forces and free body diagrams (net force)
Add forces to find the resultant (net) force, draw free body diagrams and calculate weight, with worked examples and practice questions.
KS3GCSEMiddle SchoolHigh SchoolMomentum and collisions: p = mv and conservation of momentum
Calculate momentum, solve collision problems with conservation of momentum and link force to change in momentum, with worked examples.
GCSEHigh SchoolDensity: formula, units and how to measure it
Use density = mass ÷ volume, convert units and measure the density of regular and irregular objects, with worked examples.
KS3GCSEMiddle SchoolHigh SchoolPressure in solids, liquids and gases: formulas and examples
Calculate pressure from force and area, find pressure in liquids and see how atmospheric pressure changes, with worked examples.
GCSEHigh SchoolHalf-life and radioactivity: alpha, beta and gamma explained
Compare alpha, beta and gamma radiation and use half-life in calculations, with worked examples and practice questions.
GCSEHigh SchoolMagnets and electromagnetism: fields, motors and F = BIl
Learn magnetic fields, how electromagnets work and the motor effect, with a worked force calculation and practice questions.
GCSEHigh SchoolRefraction and reflection of light: rules and ray diagrams
Learn the law of reflection and how light bends when it changes medium, with ray diagram examples and practice questions.
KS3GCSEMiddle SchoolHigh SchoolSpecific heat capacity: formula and worked examples
Use the specific heat capacity equation to calculate the energy needed to heat a material, with worked examples and practice questions.
GCSEHigh SchoolWork done and power: formulas and worked examples
Calculate the work done by a force and the power of a machine or appliance, with step-by-step examples and practice questions.
KS3GCSEMiddle SchoolHigh School