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Physics learning made simple | Hassan Bagheri
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Physics courses
Math track
Experimental track
University
Fundamentals of Physics
Chapter 1 — Measurement
1.1 — Why we measure
1.2 — The SI system
1.3 — The meter: length standard
1.4 — The second: time standard
1.5 — The kilogram: mass standard
1.6 — Prefixes and scientific notation
Dimensional analysis
Significant figures, precision, and accuracy
Unit conversion — the factor-label method
Worked problems — Chapter 1 toolkit in action
Practice problems — 22 exercises for tool mastery
Further reading and references
Q&A — Frequently asked questions for Chapter 1
Chapter 2 — Motion Along a Straight Line
2.1 — Position, displacement, average velocity
2.2 — Instantaneous velocity and speed
2.3 — Acceleration
2.4 — Constant acceleration and the kinematic equations
2.5 — Free fall
2.6 — Graphical analysis and motion integration
2.7 — Worked problems — the Chapter 2 toolkit in action
2.8 — Practice problems — 20 exercises for mastery
2.9 — Further reading and references
2.10 — Q&A — Frequently asked questions for Chapter 2
Chapter 3 — Vectors — the language of motion in 2D and 3D
3.1 — Scalars and vectors
3.2 — Vector addition — the graphical method
3.3 — Components and unit vectors
3.4 — Adding vectors by components
3.5 — The scalar (dot) product
3.6 — The vector (cross) product
3.7 — Worked problems — Chapter 3 toolkit in action
3.8 — Practice problems — 20 exercises for mastery
3.9 — Further reading and references
3.10 — Q&A — Frequently asked questions for Chapter 3
Chapter 4 — Motion in 2D and 3D
4.1 — Position and displacement vectors
4.2 — Velocity and acceleration vectors
4.3 — Projectile motion
4.4 — Uniform circular motion
4.5 — Relative motion — inertial frames
4.6 — Worked problems — Chapter 4 toolkit in action
4.7 — Practice problems — 20 exercises for mastery
4.8 — Further reading and references
4.9 — Q&A — Frequently asked questions for Chapter 4
Chapter 5 — Newton’s laws of motion
5.1 — The concept of force and interaction
5.2 — Newton’s first law — inertia
5.3 — Newton’s second law — F=ma
5.4 — Newton’s third law — action and reaction
5.5 — Weight and mass
5.6 — Friction
5.7 — Applications — pulleys, inclined planes, elevators
5.8 — Worked problems — Newton’s laws in action
5.9 — Practice problems — 20 exercises for mastery
5.10 — Q&A — Frequently asked questions for Chapter 5
Chapter 6 — Advanced applications of Newton’s laws
6.1 — Newton’s laws revisited for applications
6.2 — Dynamics of circular motion — centripetal force
6.3 — Non-uniform circular motion
6.4 — Non-inertial frames and fictitious forces
6.5 — Air drag and terminal velocity
6.6 — The fundamental forces of nature
6.7 — Worked problems — advanced Newton’s-law applications
6.8 — Practice problems — 20 exercises for mastery
6.9 — Q&A — Frequently asked questions for Chapter 6
Chapter 7 — Work and Energy
§7.1 — Work by a Constant Force
§7.2 — Variable Force Work
§7.3 — Kinetic Energy
§7.4 — Potential Energy
§7.5 — Energy Conservation
§7.6 — Power
Chapter 7 — Flashcards
Chapter 7 — Q&A
Chapter 8 — Potential Energy and Conservation of Energy
§8.1 — PE Functions
§8.2 — Gravitational PE
§8.3 — Elastic PE
§8.4 — Energy Conservation
§8.5 — Non-Conservative Forces
§8.6 — Energy Diagrams
§8.7 — Complex Systems
Chapter 8 — Q&A
Chapter 8 — Flashcards
Chapter 9 — Center of Mass and Particle Systems
Chapter 10 — Rotation of a Rigid Body
Chapter 10 — Flashcards
Chapter 11 — Rolling, Torque, and Angular Momentum
Chapter 12 — Equilibrium and Elasticity
§12.2 — Center of Mass and Center of Gravity
Chapter 12 — Flashcards
Chapter 13 — Gravitation
Chapter 13 — Section
Chapter 13 — Section
§13.1 — Newton’s Law of Universal Gravitation
§13.2 — Gravitational Potential Energy
§13.3 — Escape Speed and Orbital Speed
§13.4 — Kepler’s Laws of Planetary Motion
§13.5 — Gravitational Field and Force
§13.6 — Satellites and Orbital Mechanics
§13.7 — Tidal Forces and Gravitational Interactions
Chapter 13 — Q&A
Chapter 13 — Flashcards
Chapter 14 — Fluids
§14.1 — Fluids and Pressure
§14.2 — Hydrostatic Pressure
§14.3 — Archimedes’ Principle and Buoyancy
§14.4 — Continuity Equation
§14.5 — Bernoulli’s Equation
§14.6 — Viscosity and Stokes’ Law
§14.7 — Turbulence and Complex Flow
Chapter 14 — Q&A
Chapter 14 — Flashcards
Short university articles
Appendix — How the cesium atomic clock works
Tutorial articles
The definite integral for physicists — from Riemann sums to real applications
How Galileo measured g — inclined planes, water clocks, and pendulums
Gravitation
Gravitation — from Newton’s apple to Earth’s mass
Article 1 — How Newton reached the 1/r² law
Article 2 — How Cavendish measured G
Article 3 — Earth mass, the value of g, and its variation with altitude
Physics branches
Blog
Videos
About me
Contact
Laboratory
🔬 Laboratory
🎯 Pendulum
Lab: Hookes Spring
Lab: Simple Pendulum
⬇️ Free Fall
📏 Ruler
Lab: Free Fall
IYPT
2027kit
Home
Physics courses
Math track
Experimental track
University
Fundamentals of Physics
Chapter 1 — Measurement
1.1 — Why we measure
1.2 — The SI system
1.3 — The meter: length standard
1.4 — The second: time standard
1.5 — The kilogram: mass standard
1.6 — Prefixes and scientific notation
Dimensional analysis
Significant figures, precision, and accuracy
Unit conversion — the factor-label method
Worked problems — Chapter 1 toolkit in action
Practice problems — 22 exercises for tool mastery
Further reading and references
Q&A — Frequently asked questions for Chapter 1
Chapter 2 — Motion Along a Straight Line
2.1 — Position, displacement, average velocity
2.2 — Instantaneous velocity and speed
2.3 — Acceleration
2.4 — Constant acceleration and the kinematic equations
2.5 — Free fall
2.6 — Graphical analysis and motion integration
2.7 — Worked problems — the Chapter 2 toolkit in action
2.8 — Practice problems — 20 exercises for mastery
2.9 — Further reading and references
2.10 — Q&A — Frequently asked questions for Chapter 2
Chapter 3 — Vectors — the language of motion in 2D and 3D
3.1 — Scalars and vectors
3.2 — Vector addition — the graphical method
3.3 — Components and unit vectors
3.4 — Adding vectors by components
3.5 — The scalar (dot) product
3.6 — The vector (cross) product
3.7 — Worked problems — Chapter 3 toolkit in action
3.8 — Practice problems — 20 exercises for mastery
3.9 — Further reading and references
3.10 — Q&A — Frequently asked questions for Chapter 3
Chapter 4 — Motion in 2D and 3D
4.1 — Position and displacement vectors
4.2 — Velocity and acceleration vectors
4.3 — Projectile motion
4.4 — Uniform circular motion
4.5 — Relative motion — inertial frames
4.6 — Worked problems — Chapter 4 toolkit in action
4.7 — Practice problems — 20 exercises for mastery
4.8 — Further reading and references
4.9 — Q&A — Frequently asked questions for Chapter 4
Chapter 5 — Newton’s laws of motion
5.1 — The concept of force and interaction
5.2 — Newton’s first law — inertia
5.3 — Newton’s second law — F=ma
5.4 — Newton’s third law — action and reaction
5.5 — Weight and mass
5.6 — Friction
5.7 — Applications — pulleys, inclined planes, elevators
5.8 — Worked problems — Newton’s laws in action
5.9 — Practice problems — 20 exercises for mastery
5.10 — Q&A — Frequently asked questions for Chapter 5
Chapter 6 — Advanced applications of Newton’s laws
6.1 — Newton’s laws revisited for applications
6.2 — Dynamics of circular motion — centripetal force
6.3 — Non-uniform circular motion
6.4 — Non-inertial frames and fictitious forces
6.5 — Air drag and terminal velocity
6.6 — The fundamental forces of nature
6.7 — Worked problems — advanced Newton’s-law applications
6.8 — Practice problems — 20 exercises for mastery
6.9 — Q&A — Frequently asked questions for Chapter 6
Chapter 7 — Work and Energy
§7.1 — Work by a Constant Force
§7.2 — Variable Force Work
§7.3 — Kinetic Energy
§7.4 — Potential Energy
§7.5 — Energy Conservation
§7.6 — Power
Chapter 7 — Flashcards
Chapter 7 — Q&A
Chapter 8 — Potential Energy and Conservation of Energy
§8.1 — PE Functions
§8.2 — Gravitational PE
§8.3 — Elastic PE
§8.4 — Energy Conservation
§8.5 — Non-Conservative Forces
§8.6 — Energy Diagrams
§8.7 — Complex Systems
Chapter 8 — Q&A
Chapter 8 — Flashcards
Chapter 9 — Center of Mass and Particle Systems
Chapter 10 — Rotation of a Rigid Body
Chapter 10 — Flashcards
Chapter 11 — Rolling, Torque, and Angular Momentum
Chapter 12 — Equilibrium and Elasticity
§12.2 — Center of Mass and Center of Gravity
Chapter 12 — Flashcards
Chapter 13 — Gravitation
Chapter 13 — Section
Chapter 13 — Section
§13.1 — Newton’s Law of Universal Gravitation
§13.2 — Gravitational Potential Energy
§13.3 — Escape Speed and Orbital Speed
§13.4 — Kepler’s Laws of Planetary Motion
§13.5 — Gravitational Field and Force
§13.6 — Satellites and Orbital Mechanics
§13.7 — Tidal Forces and Gravitational Interactions
Chapter 13 — Q&A
Chapter 13 — Flashcards
Chapter 14 — Fluids
§14.1 — Fluids and Pressure
§14.2 — Hydrostatic Pressure
§14.3 — Archimedes’ Principle and Buoyancy
§14.4 — Continuity Equation
§14.5 — Bernoulli’s Equation
§14.6 — Viscosity and Stokes’ Law
§14.7 — Turbulence and Complex Flow
Chapter 14 — Q&A
Chapter 14 — Flashcards
Short university articles
Appendix — How the cesium atomic clock works
Tutorial articles
The definite integral for physicists — from Riemann sums to real applications
How Galileo measured g — inclined planes, water clocks, and pendulums
Gravitation
Gravitation — from Newton’s apple to Earth’s mass
Article 1 — How Newton reached the 1/r² law
Article 2 — How Cavendish measured G
Article 3 — Earth mass, the value of g, and its variation with altitude
Physics branches
Blog
Videos
About me
Contact
Laboratory
🔬 Laboratory
🎯 Pendulum
Lab: Hookes Spring
Lab: Simple Pendulum
⬇️ Free Fall
📏 Ruler
Lab: Free Fall
IYPT
2027kit
Contact
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