1. Foundations / Introduction / Measurement

55min

1.1.1. Units

1.1.2. Example: Converting between units4 min

1.1.3. Practice: Volume Conversion

1.2.1. Significant Figures5 min

1.2.2. Significant Figures in Calculations7 min

1.2.3. Example: Significant Figures4 min

1.2.4. Practice: Significant Figures

1.2.5. Practice: Significant Figures

1.3.1. Percent Error2 min

1.3.2. Example: Percent Error2 min

1.3.3. Practice: Percent Error

1.4.1. Dimensional Analysis3 min

1.4.2. Example: Dimensional Analysis7 min

1.4.3. Practice: Dimensional Analysis2 min

1.5.1. Unit Conversion5 min

1.5.2. Example: Unit Conversion4 min

1.5.3. Example: Unit Conversion Practice 2 min

1.5.4. Practice: Counting heartbeats2 min

1.6.1. Orders of Magnitude4 min

1.7.1. Scientific Notation

1.7.2. Example: Scientific Notation

1.7.3. Practice: Scientific Notation

2. Introduction to Vectors

1.2hr

2.1.1. Vectors and Their Components5 min

2.1.2. Vector's Magnitude2 min

2.1.3. Components of a Vector Using the Angle It Makes Respect to x or y Axis8 min

2.1.4. Example: Vector Algebra7 min

2.1.5. Practice 3 min

2.1.6. Practice: Magnitude of a Vector3 min

2.2.1. Vector Addition and Subtraction: Algebraic Method 54 sec

2.2.2. Vector Addition and Subtraction: Graphic Methods9 min

2.2.3. Example: Vector Addition and Subtraction 6 min

2.2.4. Practice: Find Missing Vector

2.2.5. Practice: Resultant of Two Vectors

2.3.1. Dot Product or Scalar Product4 min

2.3.2. Example: Dot product2 min

2.3.3. Practice: Dot Product46 sec

2.3.4. Practice: Concept Clarifier2 min

2.4.1. Cross Product10 min

2.4.2. Right Hand Rule5 min

2.4.3. Example: Cross Product4 min

2.4.4. Practice: Cross Product2 min

2.4.5. Practice: Cross Product

3. Motion in 1/2/3D: Kinematics

4hr

3.I. Chapter Intro3 min

3.1.1. Distance and Displacement ..8 min

3.1.2. Speed and Velocity8 min

3.1.3. Acceleration6 min

3.1.4. Example: Acceleration4 min

3.1.5. Practice: Average speed vs. Average velocity10 min

3.2.1. Motion Diagrams11 min

3.2.2. Example9 min

3.2.3. Practice: Position vs. Time Graphs4 min

3.3.1. One-Dimensional Kinematics 8 min

3.3.2. Example: Deceleration8 min

3.3.3. Practice: Acceleration and Constant Velocity (Copy catches Car)12 min

3.4.1. Free Fall1 min

3.4.2. Example: Free Fall7 min

3.4.3. Practice: Free Fall 5 min

3.5.1. Kinematic Graphs9 min

3.5.2. Example: Kinematic Graphs3 min

3.5.3. Practice: Flying a Drone (Tricky!)27 min

3.5.4. Practice: Velocity vs Time Graph9 min

3.6.1. Relative Velocity11 min

3.6.2. Example: 9 min

3.6.3. Practice: Relative Velocity11 min

3.7.1. Two- and Three-Dimensional Kinematics : Part 19 min

3.7.2. Two- and Three-Dimensional Kinematics: Part 27 min

3.7.3. Example: Particle Motion in 3D8 min

3.7.4. Practice: Projectile motion

3.8.1. Projectile Motion9 min

3.8.2. Example: Projectile Motion4 min

3.8.3. Practice: Projectile Motion10 min

4. Newton's Laws of Motion: Forces and Dynamics

4hr

4.1.1. Free Body Diagrams7 min

4.1.2. Example: Free Body Diagrams 8 min

4.1.3. Practice: Free Body Diagram I

4.1.4. Practice: Free Body Diagram II

4.2.1. Newton's Laws of Motion7 min

4.2.2. Example: Newton's

4.2.3. Practice: Interacting Blocks11 min

4.2.4. Practice: Three books on a table8 min

4.2.5. Practice: Tension

4.3.1. Tension4 min

4.3.2. Example: Force and Newton’s Laws of Motion7 min

4.3.3. Practice: Box Hanging from To Wires8 min

4.4.1. Normal Force 6 min

4.4.2. Example: Weightlessness6 min

4.4.3. Practice: Man in an elevator

4.5.1. Inclined Surfaces 7 min

4.5.2. Example: Inclined Surface8 min

4.5.3. Practice: Connecting Blocks on an Incline11 min

4.6.1. Kinetic and Static Friction10 min

4.6.2. Rolling Friction2 min

4.6.3. Example: Sliding on Rough Surface8 min

4.6.4. Practice: Static vs Kinetic (Tricky!)6 min

4.7.1. Drag Force (Version I)3 min

4.7.2. Drag Force (Version II)3 min

4.7.3. Terminal Velocity6 min

4.7.4. Example: Drag Force (Version I)

4.7.5. Practice: Drag Force (Version II)5 min

4.8.1. Propulsion4 min

4.8.2. Practice: Sliding on Friction

4.8.3. Example: Propulsion

4.9.1. Spring Force4 min

4.9.2. Example: Hooke's Law4 min

4.9.3. Practice: Hooke's Law

4.9.4. Practice: Spring Force function graph2 min

4.10.1. Gravitational Force7 min

4.10.2. The Special Case of Earth 4 min

4.10.3. Example: Weight at Higher Elevations6 min

4.10.4. Practice: Gravitational Forces8 min

4.11.1. Electrostatic Force9 min

4.11.2. Example: Coulomb's Law9 min

4.11.3. Practice: Electric Force2 min

4.12.1. Magnetic Force 8 min

4.12.2. Example: Magnetic Force on a moving charge (Lorentz force)3 min

4.12.3. Example: Magnetic Force on an Electron7 min

4.12.4. Practice: Magnetic Force on Moving Charged Particles:7 min

4.12.5. Practice: Magnetic Field and Current Carrying Wires6 min

4.12.6. Practice: Charge Entering a Magnetic Field 3 min

5. Circular Motion

1.5hr

5.1.1. Uniform Circular Motion6 min

5.1.2. Period and Frequency 7 min

5.1.3. Example: Uniform circular motion6 min

5.1.4. Practice: Circular Motion - Car Rounding a Curve5 min

5.1.5. Practice : Circular Motion - Ball on a String

5.2.1. Non-uniform Circular motion6 min

5.2.2. Example: Non-Circular motion

5.2.3. Practice: Non-Circular Motion - Acceleration3 min

5.3.1. Centripetal force12 min

5.3.2. Example: Circular Motion with Changing Radii3 min

5.3.3. Practice: Circular Motion - Vertical Circle8 min

5.3.4. Practice: Marble Sliding on a Rotating Hoop (Tricky!)14 min

5.4.1. Car Turning Around a Circular Section of Road6 min

5.4.2. Example: Car Around a Circular Flat Ramp4 min

5.4.3. Practice: Car Rounding a Banked Turn8 min

6. Work and Energy

2.9hr

6.1.1. Mechanical Work10 min

6.1.2. Example: Positive vs. Negative Work4 min

6.1.3. Practice: Work Involving Incline Surface (Ramp)15 min

6.2.1. Mechanical Work13 min

6.2.2. Example: Work Done by a Varying Force (Calc-Based)

6.2.3. Practice: Work Done by Varying Force

6.3.1. Work-energy theorem7 min

6.3.2. Example: Work-Energy Theorem11 min

6.3.3. Practice: work and energy - PE

6.3.4. Practice: Spring and slope problem6 min

6.3.5. Practice: work done2 min

6.4.1. Conservative vs Non-Conservative Forces - Part 17 min

6.4.2. Conservative vs Non-Conservative Forces - Part 25 min

6.4.3. Example: Non-Conservative Forces

6.4.4. Practice: Conservative Forces

6.5.1. Conservation of Energy9 min

6.5.2. Example: Work Done by Friction12 min

6.5.3. Practice13 min

6.6.1. Satellites and Objects in Orbits 6 min

6.6.2. Orbital Energies10 min

6.6.3. Kepler's Laws12 min

6.6.4. Example: Satellites Around Earth8 min

6.6.5. Practice: Satellite Orbital Periods5 min

6.7.1. Chemical (Food) Energy7 min

6.7.2. Example: Food Energy

6.7.3. Practice: Converting Food to Kinetic Energy

6.8.1. Power3 min

6.8.2. Example: Power in Lifting4 min

6.8.3. Practice: Towing a Car7 min

7. Momentum, Impulse and Collisions

1.9hr

7.1.1. Momentum and Impulse (Basic)3 min

7.1.2. Momentum and Impulse (Calculus-Based)6 min

7.1.3. Example: Impulse on a Soccer Ball3 min

7.1.4. Practice: Impulse on a Ball Hitting Wall11 min

7.1.5. Practice: Momentum of a Force Function (Calculus Based)4 min

7.2.1. Conservation of momentum12 min

7.2.2. Example: Collision2 min

7.2.3. Practice: Conservation of Momentum - 2 Carts8 min

7.2.4. Practice: Conservation of momentum - Ball Colliding with Block3 min

7.2.5. Practice: Conservation of Momentum - Two Carts Colliding4 min

7.3.1. Elastic Collision3 min

7.3.2. Elastic Collision with One Object Initially at Rest12 min

7.3.3. Inelastic Collision3 min

7.3.4. Perfectly Inelastic Collision4 min

7.3.5. Example: Inelastic Collision8 min

7.3.6. Practice: Inelastic Collisions4 min

7.3.7. Practice: Elastic Collision (Tricky!)7 min

7.4.1. Momentum Conservation in the Center of Mass Frame5 min

7.4.2. Shell Explosion (One Object Separating into Two Objects) with Center of Mass Frame3 min

7.5.1. Momentum and Impulse3 min

7.5.2. Momentum Conservation in 2D Collisions5 min

7.5.3. Example: Shell Explosion

7.5.4. Practice: Collision of Two Objects (2D)

7.5.5. Practice: 2D Inelastic Collision - Car Crash3 min

8. Angular / Rotational Motion

4hr

8.1.1. Torque14 min

8.1.2. Example: Torrque5 min

8.1.3. Practice: Torque9 min

8.2.1. Kinematics Equations for Rotation7 min

8.2.2. Example: Rotating Wheel7 min

8.2.3. Practice: Falling Mass Attached to a Rotating Pulley11 min

8.3.1. Moment of Inertia of Discrete Particles3 min

8.3.2. Moment of Inertia3 min

8.3.3. Example: Moment of Inertia (Calculus Based)7 min

8.3.4. Practice: angular momentum - Satellite

8.3.5. Practice: Rotational dynamics - Rotating Blade6 min

8.4.1. Parallel axis theorem3 min

8.4.2. Example: Moment of Inertia16 min

8.4.3. Practice4 min

8.5.1. Rotational Analog of Newton's Second Law2 min

8.5.2. Example: Rotating Rod7 min

8.5.3. Practice: Falling Mass Attached to a Rotating Pulley11 min

8.6.1. Kinetic Energy of a Rotating Body4 min

8.6.2. Example: Falling Mass Attached to a Rotating Pulley8 min

8.6.3. Practice: Kinetic Energy of a Rotating Body (Tricky!)7 min

8.7.1. Rotational Work and Torque6 min

8.7.2. Example: Kinetic Energy of a Rotating Wheel6 min

8.7.3. Practice: Rotational kinetic energy - falling rod6 min

8.7.4. Practice: Objects rolling down a slope10 min

8.8.1. Note for Rolling Motion8 min

8.8.2. Example: Static Friction for Rolling Down a Slope10 min

8.8.3. Practice (Tricky!)14 min

8.9.1. Angular Momentum10 min

8.9.2. Example: Angular Momentum of Pendulum5 min

8.9.3. Practice: Angular Momentum - Spinning Weight5 min

8.10.1. Conservation of Angular Momentum5 min

8.10.2. Example: Angular Momentum Conservation

8.10.3. Practice: Angular Momentum - Spinning Weight5 min

9. Periodic Motion: Oscillations

5hr

9.1.1. Concepts of Oscillation (Basic Version)10 min

9.1.2. Concepts of Oscillation (Advanced Version)14 min

9.1.3. Example: SHM position function

9.1.4. Practice: Angular motion2 min

9.2.1. Velocity and Acceleration in SHM (Advanced)7 min

9.2.2. Velocity and Acceleration in SHM (Basic)10 min

9.2.3. Finding Acceleration by Knowing Displacement (Advanced)6 min

9.2.4. Example: SHM with mass on a spring

9.2.5. Practice: Oscillations - Displacement Function7 min

9.2.6. Practice: Oscillations - Acceleration Graph

9.3.1. SHM as the Projection of a Uniform Circular Motion11 min

9.3.2. Example: SHM from Circular Motion - Equation of Position (x)

9.3.3. Practice: SHM from Circular Motion - Equation of Position (y)

9.4.1. Finding the Phase Constant27 min

9.4.2. Example: Drawing the Position Graph16 min

9.4.3. Practice: Displacement Function10 min

9.5.1. Energy of an Oscillator11 min

9.5.2. Example: Spring & Mass System 10 min

9.5.3. Practice: Energy of Oscillation 4 min

9.6.1. Vertical springs13 min

9.6.2. Example: Vertical Springs7 min

9.6.3. Practice: Vertical Springs6 min

9.6.4. Practice: Oscillations (Tricky!)8 min

9.7.1. Simple Pendulums 7 min

9.7.2. Example: Simple Pendulum3 min

9.7.3. Practice: Simple Pendulum7 min

9.8.1. Physical Pendulum4 min

9.8.2. Example: Physical Pendulum4 min

9.8.3. Practice: Simple Pendulum7 min

9.8.4. Practice: Simple Harmonic Motion: Pendulum

9.8.5. Practice: Oscillations - Displacement Function7 min

9.9.1. A Quick Review on Buoyant Forces6 min

9.9.2. Buoyancy Theory6 min

9.9.3. Oscillation of Floating Objects10 min

9.9.4. Example: Oscillation of Floating Object6 min

9.9.5. Practice: Oscillation of Floating Buoy

9.10.1. Simple Harmonic Motion for Small Deviations from Equilibrium14 min

9.10.2. Example: Small Oscillations

9.11.1. Coupled Simple Harmonic Oscillators

9.11.2. Practice: Couples Oscillators

9.12.1. Damped Oscillation Theory20 min

9.12.2. Energy in a Damped Oscillation6 min

9.12.3. Example: Damped Oscillation 6 min

9.12.4. Practice: Damping (Tricky!)17 min

9.13.1. Critical Damping and Over-Damping Conditions8 min

9.13.2. Example: critically damping motion2 min

9.13.3. Practice: Damping Motion2 min

9.14.1. Forced or Driven Oscillation6 min

9.14.2. Example: Forced Oscillation2 min

9.14.3. Practice: Forced Oscillation (Tricky!)

10. Waves: Mechanical

43min

10.1.1. General Definition of a Traveling Wave

10.1.2. Sinusoidal Waves

10.1.3. Example: Waves

10.1.4. Practice: Waves

10.2.1. Snapshots and History Plots

10.2.2. Example: Wave Graph

10.2.3. Practice: History Plot

10.3.1. Particle Velocity and Acceleration

10.3.2. Example: Displacement, Velocity, Acceleration

10.3.3. Practice: Displacement, Velocity, Acceleration

10.4.1. Speed of Waves in Strings

10.4.2. Example: Wave and Tension

10.4.3. Practice: String Mass Density

10.5.1. Transmitted Power and Intensity9 min

10.5.2. Example: Intensity of Sunlight

10.5.3. Practice: Power of a Traveling Wave

10.6.1. Interference and Superposition

10.6.2. Example: Superposition

10.6.3. Practice: Superposition

10.7.1. Standing Waves

10.7.2. Standing Wave Equation

10.7.3. Example: Wavelength of a Standing Wave

10.7.4. Practice: Standing Waves

10.8.1. Standing Waves in Strings with Both Ends Fixed

10.8.2. Example: Standing Wave

10.8.3. Practice: Standing Wave

10.9.1. Standing Waves in Air Pipes

10.9.2. Two Ends Closed

10.9.3. Two Ends Open

10.9.4. One End Open & One End Closed

10.9.5. Example: Standing Waves in Air Pipes

10.9.6. Practice: Standing Waves in Air Pipes

11. Wave Optics

11.1.1. Light Waves

11.1.2. Practice: Electromagnetic Radiation

11.1.3. Practice: Properties of Light Waves

11.2.1. Reflection

11.2.2. Phase Shift at Reflection Boundaries

11.3.1. Double-Slit Interference

11.3.2. Example: Double-slit configuration Fringes

11.3.3. Practice: Double-slit configuration Fringes

11.3.4. Double-Slit Interference (MODIFIED) (Copy)

11.4.1. Effective Path Difference

11.4.2. Example: Double Slit Diffraction

11.4.3. Practice: Double Slit Diffraction

11.4.4. Effective Path Difference

11.5.1. Diffraction as the Spreading of Light

11.5.2. Single Slit Diffraction

11.5.3. Example: Single vs. Double Slit

11.5.4. Practice: Single Slit

11.6.1. Realistic Double Slits

11.6.2. Practice: Double Slits

11.7.1. Diffraction Grating

11.7.2. Example: Diffraction Grating

11.7.3. Practice: Diffraction Grating

11.8.1. Air Wedges

11.8.2. Example: dark fringes

11.8.3. Practice: fringes

11.9.1. Circular Apertures and Resolution

11.9.2. Practice: Optic Power

11.10.1. Thin film Interference

11.10.2. Example: Thin Films

11.10.3. Practice: Thin Films

12. Fluid Mechanics

52min

12.1.1. Density of a Fluid6 min

12.1.2. Mass and Density60 sec

12.1.3. Pressure8 min

12.1.4. Example: Gauge Pressure

12.1.5. Practice: Vacuum Lifter

12.2.1. Pascal's Principle4 min

12.2.2. Example: Pressure in U-Tube

12.2.3. Practice: U-Tube Filled with Multiple Fluids

12.3.1. Hydraulic Systems 4 min

12.3.2. Example: Hydraulic Lift

12.3.3. Practice: Hydraulic System

12.4.1. Buoyancy9 min

12.4.2. Example: Buoyant Force

12.4.3. Example: Buoyant Force (Tricky!)

12.4.4. Practice: Buoyant Force

12.5.1. Bernoulli's Principle8 min

12.5.2. Flow Rates and Continuity

12.5.3. Example: Venturi System

12.5.4. Practice: Pressure Leaking Tank (Tricky!)

12.6.1. Viscosity5 min

12.6.2. Practice: Viscosity

12.7.1. Surface Tension and Capillarity6 min

13. Heat and Temperature

3hr

13.1.1. Thermal Equilibrium6 min

13.1.2. Example: Temperature Scales

13.1.3. Practice: Temperature Scales

13.2.1. Linear Expansion3 min

13.2.2. Area Expansion6 min

13.2.3. Example: Thermal Expansion5 min

13.2.4. Volume Expansion4 min

13.2.5. Practice: Thermal Expansion10 min

13.3.1. Heat Transfer Through Conduction3 min

13.3.2. Example: Heat Transfer2 min

13.4.1. Conductor In Series Theory5 min

13.4.2. Example: Conductors In Series 3 min

13.4.3. Conductors In Parallel3 min

13.5.1. Heat Transfer Through Radiation12 min

13.5.2. Example: Radiation4 min

13.5.3. Absorption7 min

13.6.1. Sun & Earth model4 min

13.7.1. Radiation Spectrum Theory3 min

13.8.1. Thermal Stress and Strain33 min

13.8.2. Example: Thermal Stress11 min

13.8.3. Practice: Thermal Stress21 min

13.9.1. Specific Heat and Calorimetry15 min

13.9.2. Example: Calorimetry6 min

13.9.3. Example: Phase Change8 min

13.9.4. Practice: Calorimetry21 min

14. Thermodynamics

2.5hr

14.1.1. Ideal Gas Law1 min

14.1.2. Example: Ideal Gases 4 min

14.1.3. Practice: Thermodynamics and Ideal Gases3 min

14.1.4. First Law of Thermodynamics5 min

14.4.1. Thermodynamic Processes12 min

14.4.2. Thermodynamics4 min

14.4.3. Example: Adiabatic Processes4 min

14.4.4. Practice: pV Work1 min

14.5.1. PV Diagrams & Thermodynamic Processes5 min

14.5.2. Example: PV Diagram

14.5.3. Practice: First Law of Thermodynamics3 min

14.5.4. Practice: Thermodynamic Processes 5 min

14.6.1. Thermodynamic Cycles 2 min

14.6.2. Example: Thermodynamic Cycle (PV Diagram)

14.6.3. Practice: Thermodynamic Cycle (PV Diagram)2 min

14.7.1. Heat Engines & Refrigerators11 min

14.7.2. Example: The Carnot Cycle 11 min

14.7.3. Practice: Otto Cycle13 min

14.8.1. Heat Pumps11 min

14.8.2. Example: Calculate the coefficient of performance (COP) for an air-to-air heat pump

14.8.3. Practice: Heat Pump

14.9.1. The Second Law of Thermodynamics3 min

14.9.2. The Laws of Thermodynamics6 min

14.9.3. Example: Entropy

14.9.4. Practice: Entropy

14.10.1. Entropy13 min

14.10.2. Example: Entropy9 min

14.11.1. Thermodynamical Processes in TS – Diagram9 min

14.11.2. Practice: PV and TS Diagrams17 min

15. Equilibrium & Elasticity

1.7hr

15.1.1. Static Equilibrium3 min

15.1.2. Example: Static Equilibrium of a Ladder15 min

15.1.3. Practice: Static Equilibrium - Man on a Beam13 min

15.2.1. Center of Mass7 min

15.2.2. Center of Mass of Complicated Objects5 min

15.2.3. Example: Center of Mass

15.2.4. Practice: Center of Mass of System of Objects (2D)5 min

15.3.1. Stress and Strain33 min

15.3.2. Elastic Properties of Solids3 min

15.3.3. Practice: Thermal Stress21 min

15.4.1. Stability

16. Sound & Hearing

15min

16.1.1. Sound Waves Patterns

16.1.2. Example: Sound Pressure and Displacement

16.2.1. Sound Waves

16.2.2. Intensity Shortcut Formula

16.2.3. Example: Sound Intensity

16.2.4. Practice: Sound Wave Intensity

16.2.5. Example: Sound Under Water

16.2.6. Sound Waves Concept Clarifier8 min

16.2.7. Sounds Waves: Speed of Sound2 min

16.2.8. Sound Waves Theory - Intensity5 min

16.3.1. Reflection at Boundaries

16.3.2. Example: Wave Reflection

16.3.3. Practice: Wave Open End Reflection

16.3.4. Example: Wave Reflection and Transmission

16.4.1. Constructive and Destructive Interference

16.4.2. Interference Shortcuts

16.4.3. Sound Wave Interference

16.4.4. Example: Sound - Out of Phase

16.4.5. Practice: Sound - Out of Phase

16.5.1. Beat Frequency

16.5.2. Example: Beat Frequency

16.5.3. Practice: Beat Frequency

16.6.1. Doppler Effect

16.6.2. Example: Doppler Frequency

16.6.3. Practice: Doppler Frequency

17. Electrostatic Forces and Electric Fields

4hr

17.1.1. Properties of Charge2 min

17.1.2. Conductors, Insulators, and Induced Charge2 min

17.1.3. Practice: Electrical Grounding1 min

17.1.4. Practice: Conductors, Insulators, and Induced Charge49 sec

17.2.1. Coulomb's Law3 min

17.2.2. Example: Coulomb's Law3 min

17.2.3. Practice: Coulomb's Law3 min

17.2.4. Practice: Square of Charges3 min

17.2.5. Practice (with vectors)2 min

17.3.1. Electric Field3 min

17.3.2. Electric Field Lines1 min

17.3.3. Example: Electric Field Lines 4 min

17.3.4. Example: Sketching Electric Field Lines 1 min

17.3.5. Practice: Drawing Electric Field Lines2 min

17.4.1. Electric Field of a Point Charge5 min

17.4.2. Principle of Superposition2 min

17.4.3. Example: Electric Field from Two Point Charges8 min

17.4.4. Practice: Electric Field8 min

17.4.5. Practice: Electric Field12 min

17.5.1. Motion of a Charged Particle in an Electric Field2 min

17.5.2. Practice: Electron Moving Between Two Plates7 min

17.5.3. Practice: Electric Field and Kinematics5 min

17.6.1. Electric Dipoles3 min

17.6.2. Practice: Electric field from dipoles11 min

17.6.3. Torque and potential energy2 min

17.6.4. Example: Force and Torque on Electric Dipoles3 min

17.7.1. Finding Electric Field with Integrals3 min

17.7.2. Example: Electric Field from a Rod9 min

17.7.3. Example: Electric Field from a Rod (off-axis)

17.7.4. Practice: Rod with Nonlinear Charge Density8 min

17.7.5. Practice: Rod with Positive and Negative Charge9 min

17.7.6. Practice: Rod Electric Field Without Symmetry14 min

17.8.1. Example: Electric Field of a Ring4 min

17.8.2. Example: Electric Field of a Disk8 min

17.8.3. Practice: Electric Field at the Center of a Half-Ring4 min

17.9.1. Electric Flux2 min

17.9.2. Example: Electric Flux4 min

17.9.3. Practice: Non-Uniform Flux Through a Round Surface (hard!)6 min

17.10.1. Properties of Conductors1 min

17.10.2. Example: Charges on a Hollow Conducting Sphere58 sec

17.10.3. Practice: Surface Charge Density of a Cylinder2 min

17.11.1. Electric Fields of Special Charge Distributions5 min

17.11.2. Practice: Two Line Charges3 min

17.11.3. Practice: Four Parallel Charged Plates6 min

17.12.1. Gauss’s Law3 min

17.12.2. Example: Gauss's Law and Electric Flux4 min

17.12.3. Example: Charges on a Hollow Conducting Sphere57 sec

17.12.4. Practice: Gauss's Law with a Cube3 min

17.13.1. Gauss's Law with Spherical Symmetries1 min

17.13.2. Example: Gauss's Law for a Spherical Symmetry3 min

17.13.3. Practice: Charges on a Hollow Conducting Sphere4 min

17.13.4. Practice: Gauss's Law for a Spherical Insulator10 min

17.13.5. Practice: Electric Field with an Off-Center Spherical Cavity (hard!)11 min

17.14.1. Gauss's Law with Cylindrical Symmetries2 min

17.14.2. Example: Electric Field from an Infinite Line of Charge3 min

17.14.3. Practice: Concentric Cylindrical Shells4 min

17.14.4. Practice: Electric Field of an Insulating Cylindrical Shell4 min

17.15.1. Gauss's Law with Planar Symmetries2 min

17.15.2. Example: Electric Field from an Infinite Plane of Charge5 min

17.15.3. Practice: Electric Field of a Thick Slab4 min

17.Q. Checkpoint Quiz5 Qns

17.P.1. Suspended charges

17.P.2. Three point charges

17.P.3. Charges in equilibrium

17.P.4. Placing a third charge - x-axis11 min

18. Electric Potential and Potential Energy

3hr

18.1.1. Electric Potential Energy and Work4 min

18.1.2. Practice: Electric potential energy and three charges1 min

18.1.3. Practice: Electric Potential Energy4 min

18.2.1. Electric Potential Energy - Integral Definition5 min

18.2.2. Practice: Electric Potential Energy of a Variable Field6 min

18.2.3. Practice: Electric Potential Energy of a Dipole4 min

18.2.4. Practice: Electric Potential Energy of a Continuous Rod11 min

18.3.1. Electric Potential2 min

18.3.2. Example: Electric Potential2 min

18.3.3. Electron volts1 min

18.4.1. Electric Potential of Continuous Charge Distributions2 min

18.4.2. Example: Electric Potential of a Rod (on-axis)4 min

18.4.3. Practice: Electric Potential of a Rod (off-axis)

18.4.4. Practice: Rod with Positive and Negative Charge2 min

18.4.5. Practice: Electric Potential at the Center of a Half-Ring4 min

18.4.6. Practice: Electric Potential of a Ring3 min

18.4.7. Practice: Electric Potential of a Disk11 min

18.5.1. Conservation of Energy3 min

18.5.2. Example: Two Repulsive Charges7 min

18.5.3. Practice: Conservation of Electric Potential Energy9 min

18.6.1. Equipotential Lines and Surfaces3 min

18.6.2. Example: Drawing Equipotential Lines2 min

18.6.3. Practice: Drawing Equipotential Lines3 min

18.6.4. Practice: Equipotential lines and work done2 min

18.6.5. Practice: Electric Potential and Equipotentials5 min

18.6.6. Practice: Conductors, Charge, and Electric Potential6 min

18.7.1. Conductors and Electric Potential2 min

18.7.2. Example: Graphing Electric Potential 3 min

18.7.3. Example (important!)3 min

18.7.4. Dielectric Breakdown2 min

18.7.5. Practice: Three Conducting Spheres6 min

18.8.1. Relationship Between Electric Field and Potential3 min

18.8.2. Example: Electric Field and Potential4 min

18.8.3. Example: Graphing Electric Field and Potential7 min

18.8.4. Practice: Graphing Electric Field and Potential8 min

18.9.1. Relationship Between Electric Field and Potential (with calculus)3 min

18.9.2. Example: Electric Field from a Potential3 min

18.9.3. Practice: Electric Potential and Potential Energy of a Conducting Sphere4 min

18.9.4. Practice: Electric Potential and Potential Energy of an Insulating Sphere7 min

18.9.5. Practice: Electron Moving Away from Cylindrical Insulator8 min

18.9.6. Practice: Electric Potential of a Spherical Conducting Shell5 min

18.10.1. Capacitance2 min

18.10.2. Example: Capacitance2 min

18.10.3. Capacitors3 min

18.10.4. Example: Parallel-Plate Capacitors3 min

18.10.5. Dielectrics3 min

18.10.6. Practice: Dielectrics5 min

18.10.7. Practice: Capacitor Filled with Several Materials3 min

18.11.1. Capacitance of Concentric Spheres3 min

18.11.2. Capacitance of Concentric Cylinders4 min

18.12.1. Cheatsheet (no calculus)

18.12.2. Cheatsheet (with calculus)

18.Q. Checkpoint Quiz2 Qns

18.P.1. Practice (Part (c) integral removed from main course in 2.9; copy kept here)

19. Magnetic Fields and Magnetic Force

2.6hr

19.1.1. Magnetism and Magnetic Fields2 min

19.1.2. Magnets and Magnetic Materials2 min

19.1.3. Practice: Magnetic Field Lines2 min

19.2.1. Magnetic Force on a Moving Charge5 min

19.2.2. Example: Magnetic Force1 min

19.2.3. Example: Find the direction of magnetic field2 min

19.2.4. Practice: Magnetic Force2 min

19.3.1. Circular Motion in a Magnetic Field3 min

19.3.2. Example: Circular Motion in a Magnetic Field3 min

19.3.3. Example: Circular Motion in a Magnetic Field1 min

19.3.4. Practice: Circular Motion in a Magnetic Field4 min

19.3.5. Practice: Circular Motion in a Magnetic Field2 min

19.3.6. Practice: Helical Motion in a Magnetic Field7 min

19.4.1. Velocity Selectors2 min

19.4.2. Example: Proton Travelling in a Straight Line2 min

19.4.3. Practice: Electron Travelling in a Straight Line3 min

19.5.1. The Hall Effect4 min

19.5.2. Practice: Electron Travelling in a Straight Line4 min

19.6.1. Magnetic Force on a Wire1 min

19.6.2. Magnetic Force on a Wire Element1 min

19.6.3. Example: Magnetic Force on a Wire1 min

19.6.4. Example: Magnetic Force on a Wire (3D)4 min

19.6.5. Practice: Magnetic Force on a Square Wire4 min

19.6.6. Practice: Magnetic Force on a Semi-Circular Wire8 min

19.7.1. Torque on a Current-Carrying Wire3 min

19.7.2. Example: Torque on a Rectangular Current Loop6 min

19.7.3. Practice: Torque on a Circular Current Loop3 min

19.8.1. Biot-Savart Law for a Point Charge3 min

19.8.2. Example: Biot-Savart for a Point Charge8 min

19.8.3. Biot-Savart Law for Currents2 min

19.8.4. Practice: Magnetic Field of a Current Loop (Calculus)3 min

19.9.1. Magnetic Field of Current-Carrying Wires2 min

19.9.2. Example: Magnetic Field Produced by a Wire3 min

19.9.3. Example: Magnetic Field from a Solenoid47 sec

19.9.4. Practice: Two long straight wires4 min

19.9.5. Practice: Magnetic Field of a Loop-de-Loop2 min

19.10.1. Magnetic Force on Parallel Wires3 min

19.10.2. Example: Magnetic Field Between Wires5 min

19.10.3. Practice: Magnetic Field Between Wires4 min

19.11.1. Ampere’s Law1 min

19.11.2. Example: Ampere’s Law3 min

19.11.3. Example: Ampere’s Law4 min

19.11.4. Practice: Ampere's Law - shell

19.11.5. Practice: Ampere's Law - coax7 min

19.11.6. Practice: Ampere's Law - toroid3 min

19.11.7. Practice: Ampere's Law - sheet8 min

19.11.8. Practice: Ampere's law - variable density5 min

19.P.1. Maxwell's Equations and displacement current

19.P.2. Magnetism and free body diagrams

19.P.3. Application: Cyclotron

20. Magnetic Induction

1.5hr

20.1.1. Magnetic Flux1 min

20.1.2. Example: Magnetic Flux3 min

20.1.3. Practice: Magnetic Flux4 min

20.1.4. Magnetic Flux (with calculus)49 sec

20.1.5. Practice (with calculus)8 min

20.2.1. Faraday's Law1 min

20.2.2. Example: Faraday's Law4 min

20.2.3. Motional EMF2 min

20.2.4. Example: Conductor on Rails57 sec

20.2.5. Practice: Motional EMF2 min

20.3.1. Faraday's Law2 min

20.3.2. Practice: Non-Uniform, Time-Dependent Magnetic Field6 min

20.3.3. Practice: Two Rings of Current

20.3.4. Practice: Motional EMF

20.4.1. Lenz's Law2 min

20.4.2. Example: Lenz's Law2 min

20.4.3. Practice: Lenz's Law3 min

20.4.4. Practice: Terminal Velocity and EM Induction (hard!)11 min

20.5.1. Eddy Currents3 min

20.5.2. Example: Eddy Currents3 min

20.6.1. Generators and Motors4 min

20.6.2. Example: Generators3 min

20.6.3. Practice: Motors and Back EMF4 min

20.7.1. Transformers3 min

20.7.2. Example: Transformers3 min

20.8.1. Mutual Inductance2 min

20.8.2. Example: Mutual Inductance2 min

20.8.3. Self-Inductance and Inductors3 min

20.8.4. Practice: Self-Inductance3 min

20.8.5. Example: Inductance of a Solenoid2 min

20.P.1. Magnetic flux - slide and stop

20.P.2. New Lesson (make quadratics version)

20.P.3. Rectangular loop and exponential field change

21. DC Circuits

4hr

21.1.1. Basics of DC Circuits3 min

21.1.2. Electrical Measurements2 min

21.2.1. Electric Current2 min

21.2.2. Practice: Electric Current2 min

21.2.3. Microscopic Current Definition4 min

21.2.4. Example: Drift Speed6 min

21.2.5. Practice: Current Density and Drift Speed2 min

21.3.1. Resistivity and Conductivity2 min

21.3.2. Example: Resistivity and Conductivity3 min

21.3.3. Practice: Electric Field of a wire4 min

21.4.1. Resistance and Ohm's Law2 min

21.4.2. Example: Electrical Resistance3 min

21.4.3. Practice: Ohm's Law2 min

21.5.1. Temperature Dependent Resistors1 min

21.5.2. Example: Resistivity3 min

21.5.3. Practice: Resistivity5 min

21.6.1. Non-Ohmic Resistors3 min

21.7.1. Resistors in Series and Parallel2 min

21.7.2. Example: Equivalent Resistance2 min

21.7.3. Practice: Equivalent Resistance7 min

21.8.1. Kirchhoff’s Rules6 min

21.8.2. Example: Kirchhoff's Rules7 min

21.8.3. Practice: Kirchhoff's Rules10 min

21.9.1. Power and Brightness3 min

21.9.2. Example: Power and Brightness7 min

21.9.3. Practice: Power and Brightness7 min

21.10.1. Real Batteries and Internal Resistance2 min

21.10.2. Example: Internal Resistance4 min

21.10.3. Practice: Internal Resistance2 min

21.11.1. Capacitors and Capacitance4 min

21.11.2. Different Types of Capacitors1 min

21.11.3. Example: Capacitor3 min

21.11.4. Practice: Charging a Capacitor4 min

21.12.1. Energy Stored in a Capacitor1 min

21.12.2. Example: Energy with Capacitor2 min

21.12.3. Practice: Energy with Capacitor6 min

21.12.4. Electric Energy Density1 min

21.12.5. Practice3 min

21.13.1. Capacitors in Series and Parallel4 min

21.13.2. Example: Capacitors in Series and Parallel5 min

21.13.3. Practice: Capacitors in Series and Parallel8 min

21.14.1. Dielectrics5 min

21.14.2. Example: Dielectrics3 min

21.14.3. Practice: Dielectrics8 min

21.15.1. Charging Capacitor14 min

21.15.2. Discharging Capacitor6 min

21.15.3. Example: Charging a Capacitor7 min

21.15.4. Practice: Charging a Capacitor13 min

21.16.1. Inductors5 min

21.16.2. Inductance2 min

21.16.3. RL Circuits: Rising Current4 min

21.16.4. RL Circuits: Decaying Current3 min

21.16.5. Example: RL Circuit5 min

21.16.6. Practice: RL Circuit6 min

21.17.1. LC Circuits8 min

21.17.2. Example: LC Circuits2 min

21.17.3. Practice: LC Circuits4 min

21.18.1. RLC Circuits7 min

21.18.2. Oscillations in Circuits vs. SHM2 min

21.18.3. Example: LRC Circuit7 min

21.19.1. Grounding in Circuits2 min

21.19.2. Example: Grounding6 min

22. AC Circuits

2.5hr

22.1.1. AC Voltage Sources4 min

22.1.2. Example: AC Circuit3 min

22.1.3. Resistive AC Circuits and AC Current4 min

22.1.4. Practice: Resistive AC Circuit4 min

22.2.1. Reactance2 min

22.2.2. AC Circuits with Capacitors5 min

22.2.3. AC Circuits with Inductors4 min

22.2.4. Example: AC Circuit with an Inductor7 min

22.2.5. Practice: AC Circuit with a Capacitor9 min

22.2.6. Phasors2 min

22.3.1. Impedance4 min

22.3.2. RC circuits (AC)3 min

22.3.3. Example: RC Circuit (AC)9 min

22.3.4. RL Circuits (AC)3 min

22.3.5. Practice: RL Circuit (AC)5 min

22.4.1. RLC Circuits (AC)5 min

22.4.2. Example: RLC Circuit in Series (AC)8 min

22.4.3. Resonance3 min

22.4.4. Practice: RLC Circuit (AC) and Resonance4 min

22.4.5. Practice: RLC Series Circuit (AC)13 min

22.5.1. Power Dissipation in RLC Circuits2 min

22.5.2. Example: Resonance and Power3 min

22.5.3. Practice: Series RLC Circuit (AC)7 min

22.5.4. Practice: Series RLC Circuit (AC)7 min

22.6.1. Parallel RLC circuits (AC)5 min

22.6.2. Example: Parallel RLC Circuit (AC)7 min

22.6.3. Practice: Parallel RLC Circuit (AC)6 min

22.7.1. High-Pass and Low-Pass Filters3 min

22.7.2. Example: High-Pass and Low-Pass RC Filters6 min

23. Geometric Optics

1.1hr

23.1.1. Reflection1 min

23.1.2. Refraction4 min

23.1.3. Example: Refraction2 min

23.1.4. Practice: Refraction3 min

23.1.5. Practice: Twins in a mirror1 min

23.2.1. Total Internal Reflection2 min

23.2.2. Practice: Total Internal Reflection57 sec

23.2.3. Practice: Rock under the water1 min

23.3.1. Plane Mirrors3 min

23.3.2. Example: Plane Mirror3 min

23.3.3. Practice: Plane Mirror

23.4.1. Concave and Convex Mirrors4 min

23.4.2. Example: Concave Mirror1 min

23.4.3. Practice: Concave Mirror1 min

23.5.1. Mirrors Equation1 min

23.5.2. Example: Convex Mirror2 min

23.5.3. Practice: Concave Mirror2 min

23.6.1. Convex and Concave Lenses3 min

23.6.2. Example: Convex Lens44 sec

23.6.3. Practice: Convex and Concave Lenses1 min

23.7.1. Lenses Equation1 min

23.7.2. Example: Converging vs Diverging Lens2 min

23.7.3. Practice: Convex Lenses3 min

23.8.1. Principal Rays3 min

23.8.2. Real and Virtual Images2 min

23.8.3. Behavior of Mirrors and Lenses4 min

23.9.1. Lensmaker's Equation2 min

23.9.2. Example: Lenses3 min

23.9.3. Practice: Lenses2 min

23.10.1. Aberrations47 sec

23.11.1. The Eye5 min

23.11.2. Example: Myopia3 min

23.11.3. Practice: Contacts vs. Glasses

23.12.1. Angular Size

23.12.2. Microscopes

23.12.3. Telescopes48 sec

23.12.4. Example: compound microscope

23.12.5. Practice: compound microscope

24. Motion in Two Dimensions

2.9hr

24.1.1. Relative Velocity11 min

24.1.2. Example: : Relative Velocity9 min

24.1.3. Practice: Relative Velocity11 min

24.2.1. Projectile Motion9 min

24.2.2. Example: projectile motion4 min

24.2.3. Practice: Projectile Motion10 min

24.3.1. Two- and Three-Dimensional Kinematics : Part 19 min

24.3.2. Two- and Three-Dimensional Kinematics: Part 27 min

24.3.3. Example: Particle Motion in 3D8 min

24.3.4. Practice: Projectile motion

24.4.1. Uniform Circular Motion and Centripetal Acceleration8 min

24.4.2. Non-uniform Circular motion3 min

24.4.3. Example: Centripetal Acceleration

24.4.4. Practice: Circular Motion - Acceleration3 min

24.5.1. Position Vector11 min

24.5.2. Two- and Three-Dimensional Kinematics : Part 19 min

24.5.3. Practice Question 5: Position Vectors2 min

24.5.4. Practice: Velocity and Acceleration

24.5.5. Example: Velocity and Acceleration8 min

24.5.6. Example: Position from Velocity2 min

24.6.1. Uniform Circular Motion6 min

24.6.2. Example: Uniform circular motion2 min

24.6.3. Practice: Unifirm Circular Motion5 min

24.6.4. Practice : Circular Motion 1

24.6.5. Practice question

24.7.1. Centripetal force12 min

24.7.2. Example: Circular Motion with Changing Radii3 min

24.7.3. Practice: Circular Motion - Vertical Circle8 min

24.7.4. Practice: Marble Sliding on a Rotating Hoop (Tricky!)14 min

PHYS 142

Course Overview

1. Foundations / Introduction / Measurement

2. Introduction to Vectors

3. Motion in 1/2/3D: Kinematics

4. Newton's Laws of Motion: Forces and Dynamics

5. Circular Motion

6. Work and Energy

7. Momentum, Impulse and Collisions

8. Angular / Rotational Motion

9. Periodic Motion: Oscillations

10. Waves: Mechanical

11. Wave Optics

12. Fluid Mechanics

13. Heat and Temperature

14. Thermodynamics

15. Equilibrium & Elasticity

16. Sound & Hearing

17. Electrostatic Forces and Electric Fields

18. Electric Potential and Potential Energy

19. Magnetic Fields and Magnetic Force

20. Magnetic Induction

21. DC Circuits

22. AC Circuits

23. Geometric Optics

24. Motion in Two Dimensions

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