Vincent Selhorst-Jones

Math Review

Slide Duration:

Table of Contents

Section 1: Motion

Math Review

16m 49s

Intro

0:00

The Metric System

0:26

Distance, Mass, Volume, and Time

0:27

Scientific Notation

1:40

Examples: 47,000,000,000 and 0.00000002

1:41

Significant Figures

3:18

Significant Figures Overview

3:19

Properties of Significant Figures

4:04

How Significant Figures Interact

7:00

Trigonometry Review

8:57

Pythagorean Theorem, sine, cosine, and tangent

8:58

Inverse Trigonometric Functions

9:48

Inverse Trigonometric Functions

9:49

Vectors

10:44

Vectors

10:45

Scalars

12:10

Scalars

12:11

Breaking a Vector into Components

13:17

Breaking a Vector into Components

13:18

Length of a Vector

13:58

Length of a Vector

13:59

Relationship Between Length, Angle, and Coordinates

14:45

One Dimensional Kinematics

26m 2s

Intro

0:00

Position

0:06

Definition and Example of Position

0:07

Distance

1:11

Definition and Example of Distance

1:12

Displacement

1:34

Definition and Example of Displacement

1:35

Comparison

2:45

Distance vs. Displacement

2:46

Notation

2:54

Notation for Location, Distance, and Displacement

2:55

Speed

3:32

Definition and Formula for Speed

3:33

Example: Speed

3:51

Velocity

4:23

Definition and Formula for Velocity

4:24

∆ - Greek: 'Delta'

5:01

∆ or 'Change In'

5:02

Acceleration

6:02

Definition and Formula for Acceleration

6:03

Example: Acceleration

6:38

Gravity

7:31

Gravity

7:32

Formulas

8:44

Kinematics Formula 1

8:45

Kinematics Formula 2

9:32

Definitional Formulas

14:00

Example 1: Speed of a Rock Being Thrown

14:12

Example 2: How Long Does It Take for the Rock to Hit the Ground?

15:37

Example 3: Acceleration of a Biker

21:09

Example 4: Velocity and Displacement of a UFO

22:43

Multi-Dimensional Kinematics

29m 59s

Intro

0:00

What's Different About Multiple Dimensions?

0:07

Scalars and Vectors

0:08

A Note on Vectors

2:12

Indicating Vectors

2:13

Position

3:03

Position

3:04

Distance and Displacement

3:35

Distance and Displacement: Definitions

3:36

Distance and Displacement: Example

4:39

Speed and Velocity

8:57

Speed and Velocity: Definition & Formulas

8:58

Speed and Velocity: Example

10:06

Speed from Velocity

12:01

Speed from Velocity

12:02

Acceleration

14:09

Acceleration

14:10

Gravity

14:26

Gravity

14:27

Formulas

15:11

Formulas with Vectors

15:12

Example 1: Average Acceleration

16:57

Example 2A: Initial Velocity

19:14

Example 2B: How Long Does It Take for the Ball to Hit the Ground?

21:35

Example 2C: Displacement

26:46

Frames of Reference

18m 36s

Intro

0:00

Fundamental Example

0:25

Fundamental Example Part 1

0:26

Fundamental Example Part 2

1:20

General Case

2:36

Particle P and Two Observers A and B

2:37

Speed of P from A's Frame of Reference

3:05

What About Acceleration?

3:22

Acceleration Shows the Change in Velocity

3:23

Acceleration when Velocity is Constant

3:48

Multi-Dimensional Case

4:35

Multi-Dimensional Case

4:36

Some Notes

5:04

Choosing the Frame of Reference

5:05

Example 1: What Velocity does the Ball have from the Frame of Reference of a Stationary Observer?

7:27

Example 2: Velocity, Speed, and Displacement

9:26

Example 3: Speed and Acceleration in the Reference Frame

12:44

Uniform Circular Motion

16m 34s

Intro

0:00

Centripetal Acceleration

1:21

Centripetal Acceleration of a Rock Being Twirled Around on a String

1:22

Looking Closer: Instantaneous Velocity and Tangential Velocity

2:35

Magnitude of Acceleration

3:55

Centripetal Acceleration Formula

5:14

You Say You Want a Revolution

6:11

What is a Revolution?

6:12

How Long Does it Take to Complete One Revolution Around the Circle?

6:51

Example 1: Centripetal Acceleration of a Rock

7:40

Example 2: Magnitude of a Car's Acceleration While Turning

9:20

Example 3: Speed of a Point on the Edge of a US Quarter

13:10

Section 2: Force

Newton's 1st Law

12m 37s

Intro

0:00

Newton's First Law/ Law of Inertia

2:45

A Body's Velocity Remains Constant Unless Acted Upon by a Force

2:46

Mass & Inertia

4:07

Mass & Inertia

4:08

Mass & Volume

5:49

Mass & Volume

5:50

Mass & Weight

7:08

Mass & Weight

7:09

Example 1: The Speed of a Rocket

8:47

Example 2: Which of the Following Has More Inertia?

10:06

Example 3: Change in Inertia

11:51

Newton's 2nd Law: Introduction

27m 5s

Intro

0:00

Net Force

1:42

Consider a Block That is Pushed On Equally From Both Sides

1:43

What if One of the Forces was Greater Than the Other?

2:29

The Net Force is All the Forces Put Together

2:43

Newton's Second Law

3:14

Net Force = (Mass) x (Acceleration)

3:15

Units

3:48

The Units of Newton's Second Law

3:49

Free-Body Diagram

5:34

Free-Body Diagram

5:35

Special Forces: Gravity (Weight)

8:05

Force of Gravity

8:06

Special Forces: Normal Force

9:22

Normal Force

9:23

Special Forces: Tension

10:34

Tension

10:35

Example 1: Force and Acceleration

12:19

Example 2: A 5kg Block is Pushed by Five Forces

13:24

Example 3: A 10kg Block Resting On a Table is Tethered Over a Pulley to a Free-Hanging 2kg Block

16:30

Newton's 2nd Law: Multiple Dimensions

27m 47s

Intro

0:00

Newton's 2nd Law in Multiple Dimensions

0:12

Newton's 2nd Law in Multiple Dimensions

0:13

Components

0:52

Components

0:53

Example: Force in Component Form

1:02

Special Forces

2:39

Review of Special Forces: Gravity, Normal Force, and Tension

2:40

Normal Forces

3:35

Why Do We Call It the Normal Forces?

3:36

Normal Forces on a Flat Horizontal and Vertical Surface

5:00

Normal Forces on an Incline

6:05

Example 1: A 5kg Block is Pushed By a Force of 3N to the North and a Force of 4N to the East

10:22

Example 2: A 20kg Block is On an Incline of 50° With a Rope Holding It In Place

16:08

Example 3: A 10kg Block is On an Incline of 20° Attached By Rope to a Free-hanging Block of 5kg

20:50

Newton's 2nd Law: Advanced Examples

42m 5s

Intro

0:00

Block and Tackle Pulley System

0:30

A Single Pulley Lifting System

0:31

A Double Pulley Lifting System

1:32

A Quadruple Pulley Lifting System

2:59

Example 1: A Free-hanging, Massless String is Holding Up Three Objects of Unknown Mass

4:40

Example 2: An Object is Acted Upon by Three Forces

10:23

Example 3: A Chandelier is Suspended by a Cable From the Roof of an Elevator

17:13

Example 4: A 20kg Baboon Climbs a Massless Rope That is Attached to a 22kg Crate

23:46

Example 5: Two Blocks are Roped Together on Inclines of Different Angles

33:17

Newton's Third Law

16m 47s

Intro

0:00

Newton's Third Law

0:50

Newton's Third Law

0:51

Everyday Examples

1:24

Hammer Hitting a Nail

1:25

Swimming

2:08

Car Driving

2:35

Walking

3:15

Note

3:57

Newton's Third Law Sometimes Doesn't Come Into Play When Solving Problems: Reason 1

3:58

Newton's Third Law Sometimes Doesn't Come Into Play When Solving Problems: Reason 2

5:36

Example 1: What Force Does the Moon Pull on Earth?

7:04

Example 2: An Astronaut in Deep Space Throwing a Wrench

8:38

Example 3: A Woman Sitting in a Bosun's Chair that is Hanging from a Rope that Runs Over a Frictionless Pulley

12:51

Friction

50m 11s

Intro

0:00

Introduction

0:04

Our Intuition - Materials

0:30

Our Intuition - Weight

2:48

Our Intuition - Normal Force

3:45

The Normal Force and Friction

4:11

Two Scenarios: Same Object, Same Surface, Different Orientations

4:12

Friction is Not About Weight

6:36

Friction as an Equation

7:23

Summing Up Friction

7:24

Friction as an Equation

7:36

The Direction of Friction

10:33

The Direction of Friction

10:34

A Quick Example

11:16

Which Block Will Accelerate Faster?

11:17

Static vs. Kinetic

14:52

Static vs. Kinetic

14:53

Static and Kinetic Coefficient of Friction

16:31

How to Use Static Friction

17:40

How to Use Static Friction

17:41

Some Examples of μs and μk

19:51

Some Examples of μs and μk

19:52

A Remark on Wheels

22:19

A Remark on Wheels

22:20

Example 1: Calculating μs and μk

28:02

Example 2: At What Angle Does the Block Begin to Slide?

31:35

Example 3: A Block is Against a Wall, Sliding Down

36:30

Example 4: Two Blocks Sitting Atop Each Other

40:16

Force & Uniform Circular Motion

26m 45s

Intro

0:00

Centripetal Force

0:46

Equations for Centripetal Force

0:47

Centripetal Force in Action

1:26

Where Does Centripetal Force Come From?

2:39

Where Does Centripetal Force Come From?

2:40

Centrifugal Force

4:05

Centrifugal Force Part 1

4:06

Centrifugal Force Part 2

6:16

Example 1: Part A - Centripetal Force On the Car

8:12

Example 1: Part B - Maximum Speed the Car Can Take the Turn At Without Slipping

8:56

Example 2: A Bucket Full of Water is Spun Around in a Vertical Circle

15:13

Example 3: A Rock is Spun Around in a Vertical Circle

21:36

Section 3: Energy

Work

28m 34s

Intro

0:00

Equivocation

0:05

Equivocation

0:06

Introduction to Work

0:32

Scenarios: 10kg Block on a Frictionless Table

0:33

Scenario: 2 Block of Different Masses

2:52

Work

4:12

Work and Force

4:13

Paralleled vs. Perpendicular

4:46

Work: A Formal Definition

7:33

An Alternate Formula

9:00

An Alternate Formula

9:01

Units

10:40

Unit for Work: Joule (J)

10:41

Example 1: Calculating Work of Force

11:32

Example 2: Work and the Force of Gravity

12:48

Example 3: A Moving Box & Force Pushing in the Opposite Direction

15:11

Example 4: Work and Forces with Directions

18:06

Example 5: Work and the Force of Gravity

23:16

Energy: Kinetic

39m 7s

Intro

0:00

Types of Energy

0:04

Types of Energy

0:05

Conservation of Energy

1:12

Conservation of Energy

1:13

What is Energy?

4:23

Energy

4:24

What is Work?

5:01

Work

5:02

Circular Definition, Much?

5:46

Circular Definition, Much?

5:47

Derivation of Kinetic Energy (Simplified)

7:44

Simplified Picture of Work

7:45

Consider the Following Three Formulas

8:42

Kinetic Energy Formula

11:01

Kinetic Energy Formula

11:02

Units

11:54

Units for Kinetic Energy

11:55

Conservation of Energy

13:24

Energy Cannot be Made or Destroyed, Only Transferred

13:25

Friction

15:02

How Does Friction Work?

15:03

Example 1: Velocity of a Block

15:59

Example 2: Energy Released During a Collision

18:28

Example 3: Speed of a Block

22:22

Example 4: Speed and Position of a Block

26:22

Energy: Gravitational Potential

28m 10s

Intro

0:00

Why Is It Called Potential Energy?

0:21

Why Is It Called Potential Energy?

0:22

Introduction to Gravitational Potential Energy

1:20

Consider an Object Dropped from Ever-Increasing heights

1:21

Gravitational Potential Energy

2:02

Gravitational Potential Energy: Derivation

2:03

Gravitational Potential Energy: Formulas

2:52

Gravitational Potential Energy: Notes

3:48

Conservation of Energy

5:50

Conservation of Energy and Formula

5:51

Example 1: Speed of a Falling Rock

6:31

Example 2: Energy Lost to Air Drag

10:58

Example 3: Distance of a Sliding Block

15:51

Example 4: Swinging Acrobat

21:32

Energy: Elastic Potential

44m 16s

Intro

0:00

Introduction to Elastic Potential

0:12

Elastic Object

0:13

Spring Example

1:11

Hooke's Law

3:27

Hooke's Law

3:28

Example of Hooke's Law

5:14

Elastic Potential Energy Formula

8:27

Elastic Potential Energy Formula

8:28

Conservation of Energy

10:17

Conservation of Energy

10:18

You Ain't Seen Nothin' Yet

12:12

You Ain't Seen Nothin' Yet

12:13

Example 1: Spring-Launcher

13:10

Example 2: Compressed Spring

18:34

Example 3: A Block Dangling From a Massless Spring

24:33

Example 4: Finding the Spring Constant

36:13

Power & Simple Machines

28m 54s

Intro

0:00

Introduction to Power & Simple Machines

0:06

What's the Difference Between a Go-Kart, a Family Van, and a Racecar?

0:07

Consider the Idea of Climbing a Flight of Stairs

1:13

Power

2:35

P= W / t

2:36

Alternate Formulas

2:59

Alternate Formulas

3:00

Units

4:24

Units for Power: Watt, Horsepower, and Kilowatt-hour

4:25

Block and Tackle, Redux

5:29

Block and Tackle Systems

5:30

Machines in General

9:44

Levers

9:45

Ramps

10:51

Example 1: Power of Force

12:22

Example 2: Power &Lifting a Watermelon

14:21

Example 3: Work and Instantaneous Power

16:05

Example 4: Power and Acceleration of a Race car

25:56

Section 4: Momentum

Center of Mass

36m 55s

Intro

0:00

Introduction to Center of Mass

0:04

Consider a Ball Tossed in the Air

0:05

Center of Mass

1:27

Definition of Center of Mass

1:28

Example of center of Mass

2:13

Center of Mass: Derivation

4:21

Center of Mass: Formula

6:44

Center of Mass: Formula, Multiple Dimensions

8:15

Center of Mass: Symmetry

9:07

Center of Mass: Non-Homogeneous

11:00

Center of Gravity

12:09

Center of Mass vs. Center of Gravity

12:10

Newton's Second Law and the Center of Mass

14:35

Newton's Second Law and the Center of Mass

14:36

Example 1: Finding The Center of Mass

16:29

Example 2: Finding The Center of Mass

18:55

Example 3: Finding The Center of Mass

21:46

Example 4: A Boy and His Mail

28:31

Linear Momentum

22m 50s

Intro

0:00

Introduction to Linear Momentum

0:04

Linear Momentum Overview

0:05

Consider the Scenarios

0:45

Linear Momentum

1:45

Definition of Linear Momentum

1:46

Impulse

3:10

Impulse

3:11

Relationship Between Impulse & Momentum

4:27

Relationship Between Impulse & Momentum

4:28

Why is It Linear Momentum?

6:55

Why is It Linear Momentum?

6:56

Example 1: Momentum of a Skateboard

8:25

Example 2: Impulse and Final Velocity

8:57

Example 3: Change in Linear Momentum and magnitude of the Impulse

13:53

Example 4: A Ball of Putty

17:07

Collisions & Linear Momentum

40m 55s

Intro

0:00

Investigating Collisions

0:45

Momentum

0:46

Center of Mass

1:26

Derivation

1:56

Extending Idea of Momentum to a System

1:57

Impulse

5:10

Conservation of Linear Momentum

6:14

Conservation of Linear Momentum

6:15

Conservation and External Forces

7:56

Conservation and External Forces

7:57

Momentum Vs. Energy

9:52

Momentum Vs. Energy

9:53

Types of Collisions

12:33

Elastic

12:34

Inelastic

12:54

Completely Inelastic

13:24

Everyday Collisions and Atomic Collisions

13:42

Example 1: Impact of Two Cars

14:07

Example 2: Billiard Balls

16:59

Example 3: Elastic Collision

23:52

Example 4: Bullet's Velocity

33:35

Section 5: Gravity

Gravity & Orbits

34m 53s

Intro

0:00

Law of Universal Gravitation

1:39

Law of Universal Gravitation

1:40

Force of Gravity Equation

2:14

Gravitational Field

5:38

Gravitational Field Overview

5:39

Gravitational Field Equation

6:32

Orbits

9:25

Orbits

9:26

The 'Falling' Moon

12:58

The 'Falling' Moon

12:59

Example 1: Force of Gravity

17:05

Example 2: Gravitational Field on the Surface of Earth

20:35

Example 3: Orbits

23:15

Example 4: Neutron Star

28:38

Section 6: Waves

Intro to Waves

35m 35s

Intro

0:00

Pulse

1:00

Introduction to Pulse

1:01

Wave

1:59

Wave Overview

2:00

Wave Types

3:16

Mechanical Waves

3:17

Electromagnetic Waves

4:01

Matter or Quantum Mechanical Waves

4:43

Transverse Waves

5:12

Longitudinal Waves

6:24

Wave Characteristics

7:24

Amplitude and Wavelength

7:25

Wave Speed (v)

10:13

Period (T)

11:02

Frequency (f)

12:33

v = λf

14:51

Wave Equation

16:15

Wave Equation

16:16

Angular Wave Number

17:34

Angular Frequency

19:36

Example 1: CPU Frequency

24:35

Example 2: Speed of Light, Wavelength, and Frequency

26:11

Example 3: Spacing of Grooves

28:35

Example 4: Wave Diagram

31:21

Waves, Cont.

52m 57s

Intro

0:00

Superposition

0:38

Superposition

0:39

Interference

1:31

Interference

1:32

Visual Example: Two Positive Pulses

2:33

Visual Example: Wave

4:02

Phase of Cycle

6:25

Phase Shift

7:31

Phase Shift

7:32

Standing Waves

9:59

Introduction to Standing Waves

10:00

Visual Examples: Standing Waves, Node, and Antinode

11:27

Standing Waves and Wavelengths

15:37

Standing Waves and Resonant Frequency

19:18

Doppler Effect

20:36

When Emitter and Receiver are Still

20:37

When Emitter is Moving Towards You

22:31

When Emitter is Moving Away

24:12

Doppler Effect: Formula

25:58

Example 1: Superposed Waves

30:00

Example 2: Superposed and Fully Destructive Interference

35:57

Example 3: Standing Waves on a String

40:45

Example 4: Police Siren

43:26

Example Sounds: 800 Hz, 906.7 Hz, 715.8 Hz, and Slide 906.7 to 715.8 Hz

48:49

Sound

36m 24s

Intro

0:00

Speed of Sound

1:26

Speed of Sound

1:27

Pitch

2:44

High Pitch & Low Pitch

2:45

Normal Hearing

3:45

Infrasonic and Ultrasonic

4:02

Intensity

4:54

Intensity: I = P/A

4:55

Intensity of Sound as an Outwardly Radiating Sphere

6:32

Decibels

9:09

Human Threshold for Hearing

9:10

Decibel (dB)

10:28

Sound Level β

11:53

Loudness Examples

13:44

Loudness Examples

13:45

Beats

15:41

Beats & Frequency

15:42

Audio Examples of Beats

17:04

Sonic Boom

20:21

Sonic Boom

20:22

Example 1: Firework

23:14

Example 2: Intensity and Decibels

24:48

Example 3: Decibels

28:24

Example 4: Frequency of a Violin

34:48

Light

19m 38s

Intro

0:00

The Speed of Light

0:31

Speed of Light in a Vacuum

0:32

Unique Properties of Light

1:20

Lightspeed!

3:24

Lightyear

3:25

Medium

4:34

Light & Medium

4:35

Electromagnetic Spectrum

5:49

Electromagnetic Spectrum Overview

5:50

Electromagnetic Wave Classifications

7:05

Long Radio Waves & Radio Waves

7:06

Microwave

8:30

Infrared and Visible Spectrum

9:02

Ultraviolet, X-rays, and Gamma Rays

9:33

So Much Left to Explore

11:07

So Much Left to Explore

11:08

Example 1: How Much Distance is in a Light-year?

13:16

Example 2: Electromagnetic Wave

16:50

Example 3: Radio Station & Wavelength

17:55

Section 7: Thermodynamics

Fluids

42m 52s

Intro

0:00

Fluid?

0:48

What Does It Mean to be a Fluid?

0:49

Density

1:46

What is Density?

1:47

Formula for Density: ρ = m/V

2:25

Pressure

3:40

Consider Two Equal Height Cylinders of Water with Different Areas

3:41

Definition and Formula for Pressure: p = F/A

5:20

Pressure at Depth

7:02

Pressure at Depth Overview

7:03

Free Body Diagram for Pressure in a Container of Fluid

8:31

Equations for Pressure at Depth

10:29

Absolute Pressure vs. Gauge Pressure

12:31

Absolute Pressure vs. Gauge Pressure

12:32

Why Does Gauge Pressure Matter?

13:51

Depth, Not Shape or Direction

15:22

Depth, Not Shape or Direction

15:23

Depth = Height

18:27

Depth = Height

18:28

Buoyancy

19:44

Buoyancy and the Buoyant Force

19:45

Archimedes' Principle

21:09

Archimedes' Principle

21:10

Wait! What About Pressure?

22:30

Wait! What About Pressure?

22:31

Example 1: Rock & Fluid

23:47

Example 2: Pressure of Water at the Top of the Reservoir

28:01

Example 3: Wood & Fluid

31:47

Example 4: Force of Air Inside a Cylinder

36:20

Intro to Temperature & Heat

34m 6s

Intro

0:00

Absolute Zero

1:50

Absolute Zero

1:51

Kelvin

2:25

Kelvin

2:26

Heat vs. Temperature

4:21

Heat vs. Temperature

4:22

Heating Water

5:32

Heating Water

5:33

Specific Heat

7:44

Specific Heat: Q = cm(∆T)

7:45

Heat Transfer

9:20

Conduction

9:24

Convection

10:26

Radiation

11:35

Example 1: Converting Temperature

13:21

Example 2: Calories

14:54

Example 3: Thermal Energy

19:00

Example 4: Temperature When Mixture Comes to Equilibrium Part 1

20:45

Example 4: Temperature When Mixture Comes to Equilibrium Part 2

24:55

Change Due to Heat

44m 3s

Intro

0:00

Linear Expansion

1:06

Linear Expansion: ∆L = Lα(∆T)

1:07

Volume Expansion

2:34

Volume Expansion: ∆V = Vβ(∆T)

2:35

Gas Expansion

3:40

Gas Expansion

3:41

The Mole

5:43

Conceptual Example

5:44

The Mole and Avogadro's Number

7:30

Ideal Gas Law

9:22

Ideal Gas Law: pV = nRT

9:23

p = Pressure of the Gas

10:07

V = Volume of the Gas

10:34

n = Number of Moles of Gas

10:44

R = Gas Constant

10:58

T = Temperature

11:58

A Note On Water

12:21

A Note On Water

12:22

Change of Phase

15:55

Change of Phase

15:56

Change of Phase and Pressure

17:31

Phase Diagram

18:41

Heat of Transformation

20:38

Heat of Transformation: Q = Lm

20:39

Example 1: Linear Expansion

22:38

Example 2: Explore Why β = 3α

24:40

Example 3: Ideal Gas Law

31:38

Example 4: Heat of Transformation

38:03

Thermodynamics

27m 30s

Intro

0:00

First Law of Thermodynamics

1:11

First Law of Thermodynamics

1:12

Engines

2:25

Conceptual Example: Consider a Piston

2:26

Second Law of Thermodynamics

4:17

Second Law of Thermodynamics

4:18

Entropy

6:09

Definition of Entropy

6:10

Conceptual Example of Entropy: Stick of Dynamite

7:00

Order to Disorder

8:22

Order and Disorder in a System

8:23

The Poets Got It Right

10:20

The Poets Got It Right

10:21

Engines in General

11:21

Engines in General

11:22

Efficiency

12:06

Measuring the Efficiency of a System

12:07

Carnot Engine ( A Limit to Efficiency)

13:20

Carnot Engine & Maximum Possible Efficiency

13:21

Example 1: Internal Energy

15:15

Example 2: Efficiency

16:13

Example 3: Second Law of Thermodynamics

17:05

Example 4: Maximum Efficiency

20:10

Section 8: Electricity

Electric Force & Charge

41m 35s

Intro

0:00

Charge

1:04

Overview of Charge

1:05

Positive and Negative Charges

1:19

A Simple Model of the Atom

2:47

Protons, Electrons, and Neutrons

2:48

Conservation of Charge

4:47

Conservation of Charge

4:48

Elementary Charge

5:41

Elementary Charge and the Unit Coulomb

5:42

Coulomb's Law

8:29

Coulomb's Law & the Electrostatic Force

8:30

Coulomb's Law Breakdown

9:30

Conductors and Insulators

11:11

Conductors

11:12

Insulators

12:31

Conduction

15:08

Conduction

15:09

Conceptual Examples

15:58

Induction

17:02

Induction Overview

17:01

Conceptual Examples

18:18

Example 1: Electroscope

20:08

Example 2: Positive, Negative, and Net Charge of Iron

22:15

Example 3: Charge and Mass

27:52

Example 4: Two Metal Spheres

31:58

Electric Fields & Potential

34m 44s

Intro

0:00

Electric Fields

0:53

Electric Fields Overview

0:54

Size of q2 (Second Charge)

1:34

Size of q1 (First Charge)

1:53

Electric Field Strength: Newtons Per Coulomb

2:55

Electric Field Lines

4:19

Electric Field Lines

4:20

Conceptual Example 1

5:17

Conceptual Example 2

6:20

Conceptual Example 3

6:59

Conceptual Example 4

7:28

Faraday Cage

8:47

Introduction to Faraday Cage

8:48

Why Does It Work?

9:33

Electric Potential Energy

11:40

Electric Potential Energy

11:41

Electric Potential

13:44

Electric Potential

13:45

Difference Between Two States

14:29

Electric Potential is Measured in Volts

15:12

Ground Voltage

16:09

Potential Differences and Reference Voltage

16:10

Ground Voltage

17:20

Electron-volt

19:17

Electron-volt

19:18

Equipotential Surfaces

20:29

Equipotential Surfaces

20:30

Equipotential Lines

21:21

Equipotential Lines

21:22

Example 1: Electric Field

22:40

Example 2: Change in Energy

24:25

Example 3: Constant Electrical Field

27:06

Example 4: Electrical Field and Change in Voltage

29:06

Example 5: Voltage and Energy

32:14

Electric Current

29m 12s

Intro

0:00

Electric Current

0:31

Electric Current

0:32

Amperes

1:27

Moving Charge

1:52

Conceptual Example: Electric Field and a Conductor

1:53

Voltage

3:26

Resistance

5:05

Given Some Voltage, How Much Current Will Flow?

5:06

Resistance: Definition and Formula

5:40

Resistivity

7:31

Resistivity

7:32

Resistance for a Uniform Object

9:31

Energy and Power

9:55

How Much Energy Does It take to Move These Charges Around?

9:56

What Do We Call Energy Per Unit Time?

11:08

Formulas to Express Electrical Power

11:53

Voltage Source

13:38

Introduction to Voltage Source

13:39

Obtaining a Voltage Source: Generator

15:15

Obtaining a Voltage Source: Battery

16:19

Speed of Electricity

17:17

Speed of Electricity

17:18

Example 1: Electric Current & Moving Charge

19:40

Example 2: Electric Current & Resistance

20:31

Example 3: Resistivity & Resistance

21:56

Example 4: Light Bulb

25:16

Electric Circuits

52m 2s

Intro

0:00

Electric Circuits

0:51

Current, Voltage, and Circuit

0:52

Resistor

5:05

Definition of Resistor

5:06

Conceptual Example: Lamps

6:18

Other Fundamental Components

7:04

Circuit Diagrams

7:23

Introduction to Circuit Diagrams

7:24

Wire

7:42

Resistor

8:20

Battery

8:45

Power Supply

9:41

Switch

10:02

Wires: Bypass and Connect

10:53

A Special Not in General

12:04

Example: Simple vs. Complex Circuit Diagram

12:45

Kirchoff's Circuit Laws

15:32

Kirchoff's Circuit Law 1: Current Law

15:33

Kirchoff's Circuit Law 1: Visual Example

16:57

Kirchoff's Circuit Law 2: Voltage Law

17:16

Kirchoff's Circuit Law 2: Visual Example

19:23

Resistors in Series

21:48

Resistors in Series

21:49

Resistors in Parallel

23:33

Resistors in Parallel

23:34

Voltmeter and Ammeter

28:35

Voltmeter

28:36

Ammeter

30:05

Direct Current vs. Alternating Current

31:24

Direct Current vs. Alternating Current

31:25

Visual Example: Voltage Graphs

33:29

Example 1: What Voltage is Read by the Voltmeter in This Diagram?

33:57

Example 2: What Current Flows Through the Ammeter When the Switch is Open?

37:42

Example 3: How Much Power is Dissipated by the Highlighted Resistor When the Switch is Open? When Closed?

41:22

Example 4: Design a Hallway Light Switch

45:14

Section 9: Magnetism

Magnetism

25m 47s

Intro

0:00

Magnet

1:27

Magnet Has Two Poles

1:28

Magnetic Field

1:47

Always a Dipole, Never a Monopole

2:22

Always a Dipole, Never a Monopole

2:23

Magnetic Fields and Moving Charge

4:01

Magnetic Fields and Moving Charge

4:02

Magnets on an Atomic Level

4:45

Magnets on an Atomic Level

4:46

Evenly Distributed Motions

5:45

Unevenly Distributed Motions

6:22

Current and Magnetic Fields

9:42

Current Flow and Magnetic Field

9:43

Electromagnet

11:35

Electric Motor

13:11

Electric Motor

13:12

Generator

15:38

A Changing Magnetic Field Induces a Current

15:39

Example 1: What Kind of Magnetic Pole must the Earth's Geographic North Pole Be?

19:34

Example 2: Magnetic Field and Generator/Electric Motor

20:56

Example 3: Destroying the Magnetic Properties of a Permanent Magnet

23:08