PHYS 124

U of A

Course Overview

Lessons & Practice

I. Welcome

1. 1D and 2D Kinematics

2.6hr

1.1.1. Distance and Displacement ..8 min

1.1.2. Speed and Velocity8 min

1.1.3. Acceleration6 min

1.1.4. Example: Acceleration4 min

1.1.5. Practice: Average speed vs. Average velocity10 min

1.2.1. One-Dimensional Kinematics 8 min

1.2.2. Example: Deceleration8 min

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

1.3.1. Free Fall1 min

1.3.2. Example: Free Fall7 min

1.3.3. Practice: Free Fall 5 min

1.4.1. Kinematic Graphs9 min

1.4.2. Example: Kinematic Graphs3 min

1.4.3. Practice: Velocity vs Time Graph9 min

1.5.1. Relative Velocity11 min

1.5.2. Example: 9 min

1.5.3. Practice: Relative Velocity11 min

1.6.1. Projectile Motion9 min

1.6.2. Example: Projectile Motion4 min

1.6.3. Practice: Projectile Motion10 min

2. Forces and Dynamics

4hr

2.1.1. Free Body Diagrams7 min

2.1.2. Example: Free Body Diagrams 8 min

2.1.3. Practice: Free Body Diagram I

2.1.4. Practice: Free Body Diagram II

2.2.1. Newton's Laws of Motion7 min

2.2.2. Practice: Interacting Blocks11 min

2.2.3. Practice: Tension

2.2.4. Practice: Three books on a table8 min

2.2.5. Example: Newton's

2.3.1. Tension4 min

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

2.3.3. Practice: Box Hanging from To Wires8 min

2.4.1. Normal Force 6 min

2.4.2. Example: Weightlessness6 min

2.4.3. Practice: Man in an elevator

2.5.1. Spring Force4 min

2.5.2. Practice: Spring Force function graph2 min

2.5.3. Practice: Hooke's Law

2.5.4. Example: Hooke's Law4 min

2.6.1. Gravitational Force7 min

2.6.2. The Special Case of Earth 4 min

2.6.3. Example: Weight at Higher Elevations6 min

2.6.4. Practice: Gravitational Forces8 min

2.7.1. Kinetic and Static Friction10 min

2.7.2. Example: Sliding on Rough Surface8 min

2.8.1. Inclined Surfaces 7 min

2.8.2. Example: Inclined Surface8 min

2.8.3. Practice: Connecting Blocks on an Incline11 min

2.9.1. Uniform Circular Motion6 min

2.9.2. Period and Frequency 7 min

2.9.3. Example: Uniform circular motion6 min

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

2.9.5. Practice : Circular Motion - Ball on a String

2.10.1. Non-uniform Circular motion6 min

2.10.2. Practice: Circular Motion - Acceleration3 min

2.11.1. Centripetal force12 min

2.11.2. Example: Circular Motion with Changing Radii3 min

2.11.3. Practice: Circular Motion - Vertical Circle8 min

2.12.1. Car Turning Around a Circular Section of Road6 min

2.12.2. Example: Car Around a Circular Flat Ramp4 min

2.12.3. Practice: Car Rounding a Banked Turn8 min

3. Work and Energy

1.8hr

3.1.1. Mechanical Work10 min

3.1.2. Example: Positive vs. Negative Work4 min

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

3.2.1. Work-energy theorem7 min

3.2.2. Example: Work-Energy Theorem11 min

3.2.3. Practice: work and energy - PE

3.2.4. Practice: Spring and slope problem

3.2.5. Practice: work done

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

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

3.3.3. Practice: Non-Conservative Forces

3.4.1. Conservation of Energy9 min

3.4.2. Example: Work Done by Friction12 min

3.4.3. Practice13 min

3.5.1. Power3 min

3.5.2. Example: Power in Lifting4 min

3.5.3. Practice: Towing a Car7 min

4. Linear Momentum and Collisions

1.3hr

4.1.1. Momentum and Impulse (Basic)3 min

4.1.2. Example: Impulse on a Soccer Ball3 min

4.1.3. Practice: Impulse on a Ball Hitting Wall11 min

4.2.1. Conservation of momentum12 min

4.2.2. Practice: Conservation of Momentum - 2 Carts8 min

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

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

4.2.5. Example: Collision2 min

4.3.1. Elastic Collision3 min

4.3.2. Elastic Collision with One Object Initially at Rest12 min

4.3.3. Inelastic Collision3 min

4.3.4. Perfectly Inelastic Collision4 min

4.3.5. Example: Inelastic Collision8 min

4.3.6. Practice: Inelastic Collisions4 min

5. Angular Momentum and Rotational Motion

3hr

5.1.1. Torque14 min

5.1.2. Example: Torrque5 min

5.1.3. Practice: Torque9 min

5.2.1. Kinematics Equations for Rotation7 min

5.2.2. Example: Rotating Wheel7 min

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

5.3.1. Moment of Inertia of Discrete Particles3 min

5.3.2. Moment of Inertia3 min

5.3.3. Practice: angular momentum - Satellite

5.3.4. Practice: Rotational dynamics - Rotating Blade6 min

5.4.1. Parallel axis theorem3 min

5.4.2. Example: Moment of Inertia16 min

5.4.3. Practice4 min

5.5.1. Rotational Analog of Newton's Second Law2 min

5.5.2. Example: Rotating Rod7 min

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

5.6.1. Kinetic Energy of a Rotating Body4 min

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

5.7.1. Rotational Work and Torque6 min

5.7.2. Example: Kinetic Energy of a Rotating Wheel6 min

5.7.3. Practice: Objects rolling down a slope10 min

5.7.4. Practice: Rotational kinetic energy - falling rod6 min

5.8.1. Note for Rolling Motion8 min

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

5.9.1. Angular Momentum10 min

5.9.2. Example: Angular Momentum of Pendulum5 min

5.9.3. Practice: Angular Momentum - Spinning Weight5 min

5.10.1. Conservation of Angular Momentum5 min

5.10.2. Example: Angular Momentum Conservation

5.10.3. Practice: Angular Momentum - Spinning Weight5 min

6. Gravity

1.1hr

6.1.1. Gravitational Force7 min

6.1.2. The Special Case of Earth 4 min

6.1.3. Example: Weight at Higher Elevations6 min

6.1.4. Practice: Gravitational Forces8 min

6.2.1. Satellites and Objects in Orbits 6 min

6.2.2. Orbital Energies10 min

6.2.3. Kepler's Laws12 min

6.2.4. Example: Satellites Around Earth8 min

6.2.5. Practice: Satellite Orbital Periods5 min

7. Simple Harmonic Motion

2.9hr

7.1.1. Basic Concepts Theory15 min

7.2.1. Velocity & Acceleration of SHM Theory11 min

7.2.2. Phase Constant of SHM27 min

7.2.3. Example: Phase Constant 10 min

7.3.1. Spring & Mass System Theory14 min

7.3.2. Example: Spring & Mass System 13 min

7.4.1. Vertical Springs12 min

7.4.2. Example: Vertical Spring7 min

7.5.1. The Simple Pendulum Theory7 min

7.5.2. Example: Simple Pendulum3 min

7.5.3. Practice: Simple Pendulum7 min

7.6.1. Introduction to Buoyancy Theory9 min

7.6.2. Oscillation of Floating Objects

7.6.3. Example: Buoyant Force

7.7.1. Damped Oscillation Theory20 min

7.7.2. Practice: Damped Oscillation6 min

7.7.3. Critically Damped and Overdamped Conditions8 min

7.8.1. Forced or Driven Oscillation Theory6 min

7.8.2. Forced or Driven Oscillation Concept Clarifier2 min

7.Q. Checkpoint Quiz24 Qns

8. Mechanical Waves

43min

8.1.1. General Definition of a Traveling Wave

8.1.2. Sinusoidal Waves

8.1.3. Example: Waves

8.1.4. Practice: Waves

8.2.1. Snapshots and History Plots

8.2.2. Example: Wave Graph

8.2.3. Practice: History Plot

8.3.1. Particle Velocity and Acceleration

8.3.2. Example: Displacement, Velocity, Acceleration

8.3.3. Practice: Displacement, Velocity, Acceleration

8.4.1. Speed of Waves in Strings

8.4.2. Example: Wave and Tension

8.4.3. Practice: String Mass Density

8.5.1. Transmitted Power and Intensity9 min

8.5.2. Example: Intensity of Sunlight

8.5.3. Practice: Power of a Traveling Wave

8.6.1. Interference and Superposition

8.6.2. Practice: Superposition

8.6.3. Example: Superposition

8.7.1. Standing Waves

8.7.2. Standing Wave Equation

8.7.3. Example: Wavelength of a Standing Wave

8.7.4. Practice: Standing Waves

8.8.1. Standing Waves in Strings with Both Ends Fixed

8.8.2. Example: Standing Wave

8.8.3. Practice: Standing Wave

8.9.1. Standing Waves in Air Pipes

8.9.2. Two Ends Closed

8.9.3. Two Ends Open

8.9.4. One End Open & One End Closed

8.9.5. Example: Standing Waves in Air Pipes

8.9.6. Practice: Standing Waves in Air Pipes

9. Waves: Sound

15min

9.1.1. Sound Waves Patterns

9.1.2. Example: Sound Pressure and Displacement

9.2.1. Sound Waves

9.2.2. Intensity Shortcut Formula

9.2.3. Example: Sound Intensity

9.2.4. Practice: Sound Wave Intensity

9.2.5. Example: Sound Under Water

9.2.6. Sounds Waves: Speed of Sound2 min

9.2.7. Sound Waves Concept Clarifier8 min

9.2.8. Sound Waves Theory - Intensity5 min

9.3.1. Reflection at Boundaries

9.3.2. Example: Wave Reflection

9.3.3. Practice: Wave Open End Reflection

9.3.4. Example: Wave Reflection and Transmission

9.4.1. Constructive and Destructive Interference

9.4.2. Interference Shortcuts

9.4.3. Sound Wave Interference

9.4.4. Example: Sound - Out of Phase

9.4.5. Practice: Sound - Out of Phase

9.5.1. Beat Frequency

9.5.2. Example: Beat Frequency

9.5.3. Practice: Beat Frequency

9.6.1. Doppler Effect

9.6.2. Example: Doppler Frequency

9.6.3. Practice: Doppler Frequency

10. Optics

6min

10.1.1. Light Waves

10.1.2. Practice: Electromagnetic Radiation

10.1.3. Practice: Properties of Light Waves

10.2.1. Reflection

10.2.2. Phase Shift at Reflection Boundaries

10.3.1. Diffraction as the Spreading of Light

10.3.2. Single Slit Diffraction

10.3.3. Example: Single vs. Double Slit

10.3.4. Practice: Single Slit

10.4.1. Double-Slit Interference

10.4.2. Example: Double-slit configuration Fringes

10.4.3. Practice: Double-slit configuration Fringes

10.4.4. Effective Path Difference

10.4.5. Example

10.5.1. Realistic Double Slits

10.5.2. Practice: Double Slits

10.6.1. Diffraction Grating

10.6.2. Example: Diffraction Grating

10.6.3. Practice: Diffraction Grating

10.7.1. Refraction and Dispersion6 min

11. Quantum Mechanics

28min

11.1.1. Light and Energy5 min

11.1.2. Types of Light and Interactions with Matter Theory

11.2.1. The Photoelectric Effect4 min

11.2.2. The Photoelectric Effect Concept Clarifier3 min

11.2.3. Practice: Photoelectric Effect

11.3.1. Bohr’s Theory of the Atom7 min

11.3.2. Bohr’s Theory of the Atom Concept Clarifier2 min

11.4.1. Radiation Theory

11.5.1. Heisenberg Uncertainty Principle2 min

11.5.2. Example: Wave Particle Duality and the Heisenberg Uncertainty Principle3 min

11.5.3. Practice: Uncertainty of Position2 min

12. Motion in Two Dimensions

2.9hr

12.1.1. Relative Velocity11 min

12.1.2. Example: : Relative Velocity9 min

12.1.3. Practice: Relative Velocity11 min

12.2.1. Projectile Motion9 min

12.2.2. Example: projectile motion4 min

12.2.3. Practice: Projectile Motion10 min

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

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

12.3.3. Example: Particle Motion in 3D8 min

12.3.4. Practice: Projectile motion

12.4.1. Position Vector11 min

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

12.4.3. Practice Question 5: Position Vectors2 min

12.4.4. Practice: Velocity and Acceleration

12.4.5. Example: Position from Velocity2 min

12.4.6. Example: Velocity and Acceleration8 min

12.5.1. Uniform Circular Motion and Centripetal Acceleration8 min

12.5.2. Non-uniform Circular motion3 min

12.5.3. Example: Centripetal Acceleration

12.5.4. Practice: Circular Motion - Acceleration3 min

12.6.1. Uniform Circular Motion6 min

12.6.2. Example: Uniform circular motion2 min

12.6.3. Practice: Unifirm Circular Motion5 min

12.6.4. Practice : Circular Motion 1

12.6.5. Practice question

12.7.1. Centripetal force12 min

12.7.2. Example: Circular Motion with Changing Radii3 min

12.7.3. Practice: Circular Motion - Vertical Circle8 min

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

13. Force Vectors (Advanced Info)

7hr

13.1.1. Trigonometry Review10 min

13.1.2. Example: Trigonometry4 min

13.1.3. Example: Trigonometry6 min

13.1.4. Practice: Level 11 min

13.1.5. Practice: Level 22 min

13.1.6. Example: Trigonometry Review

13.1.7. Practice: Trigonometry Review

13.2.1. Scalars & Vectors - Definitions & Examples3 min

13.2.2. Vectors (2D)12 min

13.2.3. Vectors (3D)6 min

13.2.4. Examples: Scalars and Vectors (Sine and Cosine Laws)13 min

13.2.5. Practice: Scalars and Vectors (Sine and Cosine Laws)10 min

13.2.6. Practice: Scalars and Vectors (Catesian Format, Sine Law)16 min

13.2.7. Example: Scalars and Vectors (Rectangular Components)13 min

13.2.8. Practice: Scalars and Vectors (Rectangular Components) 11 min

13.3.1. Vector Operations6 min

13.3.2. Example: Vector Operations10 min

13.3.3. practice quiz: Vector Operations3 Qns

13.3.4. Example: Vector Operations (2D)

13.4.1. Forces in Cartesian Vector Form4 min

13.4.2. Example: Cartesian Vectors, Resultant Magnitude and Direction (2D)

13.4.3. Practice: Vector Components1 min

13.4.4. Practice: Cartesian Vectors, Resultant Magnitude and Direction (2D)

13.5.1. Forces 2D Cartesian Vector Form6 min

13.5.2. Example: Forces Cartesian Vector Form10 min

13.5.3. Practice: Forces Cartesian Vector Form (IMPORTANT!)9 min

13.5.4. Practice: Cartesian force vector11 min

13.6.1. Forces 3D Cartesian Form (IMPORTANT!)11 min

13.6.2. Example 1 - Part 1: 3D Force Vectors 11 min

13.6.3. Example 1 - Part 2: 3D Force Vectors 7 min

13.6.4. Example 2: 3D Force Vectors13 min

13.6.5. Practice 1: 3D Force Vectors10 min

13.6.6. Practice: 3D Vector Practice Questions Part 15 min

13.6.7. Practice: 3D Vector Practice Questions Part 26 min

13.6.8. Example: Forces in Cartesian Vector Form16 min

13.7.1. Vectors and Their Components (2D)5 min

13.7.2. Vector's Magnitude (2D & 3D)2 min

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

13.7.4. Example: Vector Between Two Points7 min

13.7.5. Practice: Projectile Motion3 min

13.8.1. Pythagorean Triangles6 min

13.8.2. Example: Pythagorean Triple (Small Triangle)

13.8.3. Practice: Pythagorean Triple (Small Triangle)

13.9.1. Planar (Shaded) Angles9 min

13.9.2. Example: Vectors into Cartesian Vector Form (3D)

13.9.3. Practice: Vectors into Cartesian Vector From (3D)

13.10.1. Vector Addition and Subtraction: Algebraic Method 54 sec

13.10.2. Vector Addition and Subtraction: Graphic Methods9 min

13.10.3. Example: Vector Addition6 min

13.10.4. Practice: Algebraic Addition4 min

13.10.5. Practice: Resultant of 2 Vectors1 min

13.10.6. Practice: Vector Addition and Subtraction

13.11.1. Addition of 2D Forces (Components / SOH.CAH.TOA.)7 min

13.11.2. Example: Vectors and Rectangular Components

13.11.3. Practice: Walking to the store2 min

13.11.4. Practice: Vectors and Rectangular Components

13.12.1. Vector Addition of 2D Forces (Force Triangle)5 min

13.12.2. Example: Components along non x-y axes (u-v)

13.12.3. Practice: Using Law of Sine and Cosines / Force Triangle

13.13.1. Cartesian Vectors / Working in 3D5 min

13.13.2. Example: Two Points and Distance Between / Magnitude of Vector

13.13.3. Practice: Magnitude of a 3D Vector5 min

13.13.4. Practice: Cartesian Vectors (3D) - distance between 2 points

13.14.1. Unit Vector (u)7 min

13.14.2. Example: Unit Vector

13.14.3. Practice: Unit Vector1 min

13.14.4. Practice: Unit Vector3 min

13.14.5. Practice: Unit Vector

13.15.1. Position Vectors (r)11 min

13.15.2. Example: Unit and Position Vectors

13.15.3. Practice: 3D Position Vectors

13.15.4. Practice: Unit and Position Vectors (3D)

13.16.1. Force Directed Along a Line6 min

13.16.2. Example Problem #1: Vector into Cartesian Vector Format (3D)

13.16.3. Practice: Resultant of Two Vectors (3D)

13.17.1. Theory2 min

13.17.2. Dot Product or Scalar Product4 min

13.17.3. Example: Dot Product2 min

13.17.4. Practice - flagpole - angle between cables

13.18.1. Direction Cosine Angles (alpha, beta, gamma)6 min

13.18.2. Example Problem: Direction Cosines

13.18.3. practice: Direction Cosines (3D)11 min

13.18.4. Practice: Direction Cosines and 3D Vector

13.19.1. Theory - REVIEW14 min

Mock Exams

ME.1. Midterm 1 - Mock Assessment20 Qns

ME.2. Midterm 2 - Mock Assessment20 Qns

ME.3. Final Exam - Mock Assessment25 Qns

ME.3 Final Exam - Mock Assessment

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