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Grade 12 Physics: modules and lessons

Explore Grade 12 Physics: 15 modules and 95 lesson entries. Use the dorKk lesson guide to plan revision and catch-up study.

dorKk provides pre-recorded CAPS-aligned video lessons for self-paced study alongside schoolwork. Choose a module below, find the lesson that matches your classwork, and use the sequence to identify gaps. This guide lists lesson titles; access to the videos depends on your subscription. dorKk is not an online school.

Source: dorKk English lesson list dated 21 January 2026. Catalogue entries may differ from current app availability.

Plan your study

  1. Choose the module you are currently studying at school.
  2. Try a textbook question first and note where you get stuck.
  3. Watch the matching lesson, try again and keep a list of questions for your teacher.

Worked explanations

DIMENSIONAL ANALYSIS

  1. 1.1.UNITS
  2. 1.2.CONVERSIONS

MECHANICS MOTION

  1. 2.1.INTRODUCTION TO GRAPHS
  2. 2.2.GRAPHS OF MOTION PART 1
  3. 2.3.GRAPHS OF MOTION PART 2
  4. 2.5.KINEMATIC EQUATIONS

MECHANICS MOTION AND FORCES

  1. 3.1.MOTION IN ONE DIMENSION, DIRECTION AND RESULTANT
  2. 3.2.MOTION IN ONE DIMENSION, RESULTANTS OF VECTORS
  3. 3.3.RESULTANT OF VECTORS AND COMPONENTS
  4. 3.4.RESULTANT WITH COMPONENTS (TABLE METHOD)
  5. 3.5.MOTION IN ONE DIMENSION, EQUILIBRIUM
  6. 3.6.MOTION IN ONE DIMENSION, FORCES AS VECTORS
  7. 3.7.MOTION IN ONE DIMENSION, GRAVITATION AND NORMAL FORCE
  8. 3.8.FRICTIONAL FORCES
  9. 3.9.MOTION IN ONE DIMENSION, FORCES ON A SLOPE

MECHANICS NEWTONS LAWS

  1. 4.1.NEWTONS FIRST LAW OF MOTION
  2. 4.2.NEWTONS SECOND LAW OF MOTION
  3. 4.3.NEWTONS SECOND LAW APPLIED TO HORIZONTAL MOTION
  4. 4.4.NEWTONS SECOND LAW APPLIED TO VERTICAL MOTION
  5. 4.5.NEWTONS SECOND LAW FORCES ON A SLOPE
  6. 4.6.NEWTONS SECOND LAW FORCES ON A SLOPE (EXAMPLE)
  7. 4.7.NEWTONS SECOND LAW APPLIED TO PULLEYS
  8. 4.8.NEWTONS SECOND LAW APPLIED TO PULLEYS (EXAMPLE)
  9. 4.9.NEWTONS SECOND LAW ELEVATORS
  10. 4.10.NEWTONS THIRD LAW OF MOTION

NEWTONS LAW OF UNIVERSAL GRAVITATION

  1. 5.1.NEWTONS LAW OF UNIVERSAL GRAVITATION
  2. 5.2.COMPLEX EXAMPLES 1
  3. 5.3.COMPLEX EXAMPLES 2

MECHANICS MOMENTUM

  1. 6.1.INTRODUCTION TO MOMENTUM
  2. 6.2.NEWTONS SECOND LAW APPLIED TO MOMENTUM
  3. 6.3.CONSERVATION OF MOMENTUM
  4. 6.4.CONSERVATION OF MOMENTUM (EXAMPLES)
  5. 6.5.MOMENTUM AND ELASTIC COLLISIONS
  6. 6.6.EXPERIMENT; CONSERVATION OF LINEAR MOMENTUM

MECHANICS PROJECTILE MOTION

  1. 7.1.VERTICAL PROJECTILE MOTION
  2. 7.2.TYPES OF VERTICAL PROJECTILE MOTIONS
  3. 7.3.VERTICAL PROJECTILE MOTION GRAPHS
  4. 7.4.CALCULATIONS OF VERTICAL PROJECTILE MOTION 1
  5. 7.5.HOT AIR BALOONS AND OBJECTS MOVING VERTICALLY
  6. 7.6.HOT AIR BALOONS AND OBJECTS MOVING VERTICALLY EXAMPLE
  7. 7.7.BOUNCING OBJECTS AND VERTICAL MOTION
  8. 7.8.APPLICATIONS OF VERTICAL MOTION
  9. 7.9.EXPERIMENT; GRAVITATIONAL ACCELERATION

MECHANICS ENERGY

  1. 8.1.INTRODUCTION TO ENERGY
  2. 8.2.KINETIC ENERGY
  3. 8.3.GRAVITATIONAL POTENTIAL ENERGY
  4. 8.4.MECHANICAL ENERGY
  5. 8.5.CONSERVATION OF ENERGY

MECHANICS WORK

  1. 9.1.INTRODUCTION TO WORK
  2. 9.2.WORK IN A HORIZONTAL PLANE
  3. 9.3.WORK IN A VERTICAL PLANE
  4. 9.4.WORK ON A SLOPE
  5. 9.5.WORK ENERGY THEOREM
  6. 9.6.CONSERVATIVE AND NON CONSERVATIVE FORCES
  7. 9.7.WORK AND CONSERVATION OF MECHANICAL ENERGY
  8. 9.8.POWER
  9. 9.9.EXPERIMENT; MEASUREMENT OF RATE OF WORK (POWER)

THE DOPPLER EFFECT

  1. 10.1.SOUND
  2. 10.2.EXAMPLES
  3. 10.3.LIGHT

PHOTOELECTRIC EFFECT

  1. 11.1.INTRODUCTION
  2. 11.2.APPLICATION
  3. 11.3.EMISSION AND ABSORPTION SPECTRA
  4. 11.4.EXPERIMENT; PHOTOELECTRIC EFFECT

ELECTROSTATICS

  1. 12.1.INTRODUCTION TO CHARGES
  2. 12.2.ELECTROSTATIC FORCES A, ATTRACTION, REPULSION, FRICTION AND CONDUCTION
  3. 12.3.ELECTROSTATIC FORCES B, INDUCTION AND POLARISATION
  4. 12.4.CONSERVATION OF CHARGES
  5. 12.5.QUANTIZATION OF CHARGES
  6. 12.6.ELECTROSTATIC FORCES COULOMBS LAW
  7. 12.7.ELECTROSTATIC FORCES COULOMBS LAW EXAMPLE
  8. 12.8.ELECTROSTATIC FORCES CALCULATIONS

ELECTRIC CIRCUITS

  1. 13.1.INTRODUCTION AND TERMINOLOGY
  2. 13.2.CURRENT AND CURRENT STRENGTH
  3. 13.3.POTENTIAL DIFFERENCE AND EMF
  4. 13.4.RESISTANCE
  5. 13.5.RESISTORS IN SERIES
  6. 13.6.RESISTORS IN PARALLEL
  7. 13.7.CIRCUIT SIMULATIONS
  8. 13.8.CALCULATIONS OF COMPLEX CIRCUITS
  9. 13.9.OHMS LAW
  10. 13.10.POWER
  11. 13.11.ENERGY
  12. 13.12.CALCULATIONS OF COMPLEX CIRCUITS
  13. 13.13.EMF AND INTERNAL RESISTANCE
  14. 13.14.EXPERIMENT; PART 1 INTERNAL RESISTANCE
  15. 13.15.CALCULATIONS IN COMPLEX CIRCUITS WITH INTERNAL RESISTANCE
  16. 13.16.EXPERIMENT; SHORT CIRCUITS AND OPEN SWITCHES IN A CIRCUIT

ELECTROMAGNETISM

  1. 14.1.INTRODUCTION
  2. 14.2.MAGNETIC FIELD AROUND A CURRENT CARRYING WIRE
  3. 14.3.ELECTROMAGNETIC INDUCTION; MAGNETIC FORCES AND CURRENT CARRYING WIRES
  4. 14.4.FARADAY'S LAW

ELECTRODYNAMICS

  1. 15.1.DIRECT AND ALTERNATING CURRENT
  2. 15.2.ELECTRICAL MOTORS AND GENERATORS
  3. 15.3.CALCULATIONS FOR AC

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