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PHYS4A Core Concepts: Vectors, Kinematics, Forces, Energy, Momentum, Rotation, and SHM

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Vectors, Scalars, & Displacement

  • Guided course
    Displacement vs. Distance
    06:13
  • Guided course
    Introduction to Vectors and Scalars
    04:06

Introduction to Vectors

  • Guided course
    Introduction to Vector Math
    05:06

Adding Vectors Graphically

  • Guided course
    Subtracting Vectors Graphically
    05:58
  • Guided course
    Adding Multiples of Vectors
    05:02
  • Guided course
    Adding 3 Vectors
    02:11

Vector Composition & Decomposition

  • Guided course
    Calculating Magnitude & Components of a Vector
    03:59
  • Guided course
    Vector Composition & Decomposition
    07:47

Adding Vectors by Components

  • Guided course
    Vector Addition By Components
    07:30
  • Guided course
    Adding Vectors
    06:26

Review of Vectors vs. Scalars

  • Guided course
    Review of Vectors vs. Scalars
    01:55

Average Velocity

  • Guided course
    Constant Velocity with Multiple Parts
    07:33
  • Guided course
    Intro to Velocity and Speed
    05:35
  • Guided course
    Baseball Pitch
    01:21

Intro to Acceleration

  • Guided course
    Intro to Acceleration
    05:47

Position-Time Graphs & Velocity

  • Guided course
    Intro to Position-Time Graphs & Velocity
    07:41
  • Guided course
    Curved Position-Time Graphs & Acceleration
    03:04
  • Guided course
    Position-Time Graphs and Instantaneous Velocity
    06:28

Velocity-Time Graphs & Acceleration

  • Guided course
    Velocity-Time Graphs & Acceleration
    05:59

Calculating Displacement from Velocity-Time Graphs

  • Guided course
    Displacement of a Car
    04:37
  • Guided course
    Calculating Displacement from Velocity-Time Graphs
    04:43

Kinematics Equations

  • Guided course
    Acceleration Signs
    09:00
  • Guided course
    Acceleration with Multiple Parts
    08:35
  • Guided course
    Subway Train
    10:06

Intro to Motion in 2D: Position & Displacement

  • Guided course
    Final Position Vector
    07:07
  • Guided course
    Intro to Motion in 2D
    01:39
  • Guided course
    Position and Displacement in 2D
    06:30

Velocity in 2D

  • Guided course
    Calculating Velocity Components
    05:53
  • Guided course
    Average Speed and Velocity in 2D
    04:13

Intro to Projectile Motion: Horizontal Launch

  • Guided course
    Solving Horizontal Launch Problems
    08:37
  • Guided course
    An Unfortunate Landing
    08:02
  • Guided course
    Clearing the Net
    06:27

Vertical Motion and Free Fall

  • Guided course
    Vertical Motion & Free Fall
    08:36

Uniform Circular Motion

  • Guided course
    Intro to Circular Motion
    03:48
  • Guided course
    Circular Orbit of the Moon
    01:50

Centripetal Forces

  • Guided course
    Intro to Centripetal Forces
    06:48
  • Guided course
    Conical Pendulum
    05:22

Newton's First & Second Laws

  • Guided course
    Newton's 1st Law
    04:46
  • Guided course
    Solving for Forces Using Newton's Second Law
    04:58
  • Guided course
    Intro to Forces & Newton's Second Law
    06:54

Newton's Third Law & Action-Reaction Pairs

  • Guided course
    Newton's Third Law & Action-Reaction Pairs
    08:01

Vertical Forces & Acceleration

  • Guided course
    Lowering a Load of Bricks
    05:07
  • Guided course
    Vertical Forces And Acceleration in the Y-axis
    06:28
  • Guided course
    Weight Force & Gravitational Acceleration
    07:32

Vertical Equilibrium & The Normal Force

  • Guided course
    Multiple Cables on a Loudspeaker
    03:25
  • Guided course
    Equilibrium
    05:10
  • Guided course
    The Normal Force
    08:17

Forces in Connected Systems of Objects

  • Guided course
    Solving Force Problems in Connected Systems of Objects
    09:12
  • Guided course
    Systems Connected By Pulleys
    06:23
  • Guided course
    Pulling Two Connected Blocks Upward
    03:40

Forces in 2D

  • Guided course
    2D Forces in Horizontal Plane
    08:21
  • Guided course
    Solving an Unknown 2D Force
    06:03
  • Guided course
    2D Forces in Horizontal and Vertical Planes
    06:58

Equilibrium in 2D

  • Guided course
    Traffic Signal
    08:45
  • Guided course
    2D Equilibrium Problems
    06:11

Inclined Planes

  • Guided course
    Runaway Ramp
    04:59
  • Guided course
    Intro to Inclined Planes
    06:59
  • Guided course
    Connected Block on a Ramp
    05:06

Kinetic Friction

  • Guided course
    Pushing Down on a Block with Friction
    03:51
  • Guided course
    Kinetic Friction Problems
    06:18

Static Friction

  • Guided course
    Static Friction & Equilibrium
    08:11
  • Guided course
    Preventing a Block From Moving
    04:33
  • Guided course
    Static & Kinetic Friction
    04:05

Inclined Planes with Friction

  • Guided course
    Incline with Friction & Critical Angle
    08:27
  • Guided course
    Force Not Parallel To Ramp
    06:39
  • Guided course
    Pushing A Box Up A Ramp
    06:43

Intro to Energy & Kinetic Energy

  • Guided course
    Intro to Energy & Types of Energy
    04:10

Intro to Calculating Work

  • Guided course
    Work by a 2D Push/Pull
    04:41
  • Guided course
    Work Done on Curvy (Not straight) Paths
    02:30
  • Guided course
    Work Done By Friction
    04:29

Net Work & Work-Energy Theorem

  • Guided course
    The Work-Energy Theorem
    04:10
  • Guided course
    Calculating Net Work
    06:58
  • Guided course
    Net Work & Constant Speed
    03:01

Intro to Conservation of Energy

  • Guided course
    Conservation Of Total Energy & Isolated Systems
    05:42
  • Guided course
    Systems & Conservative vs. Non-Conservative Forces
    08:25
  • Guided course
    Conservation Of Mechanical Energy
    06:24

Energy with Non-Conservative Forces

  • Guided course
    Energy Conservation with Air Resistance
    05:06
  • Guided course
    Box Sliding on Rough Patch
    04:33
  • Guided course
    Energy Conservation with Non-Conservative Forces
    06:43

Springs & Elastic Potential Energy

  • Guided course
    Springs in Rough Surfaces
    03:11
  • Guided course
    Energy in Horizontal Springs
    06:18

Intro to Momentum

  • Guided course
    Intro to Momentum
    05:17
  • Guided course
    Momentum in 2D
    04:15

Intro to Impulse

  • Guided course
    Car Colliding with Wall
    05:12
  • Guided course
    Impulse & Impulse-Momentum Theorem
    06:00
  • Guided course
    Impulse between Bouncy Ball & Wall
    03:32

Intro to Conservation of Momentum

  • Guided course
    Conservation Of Momentum
    05:58
  • Guided course
    Total Momentum of a System of Objects
    03:18

How to Identify the Type of Collision

  • Guided course
    How to Identify the Type of Collision
    05:19

Completely Inelastic Collisions

  • Guided course
    Bullet Fired Into Block
    05:48
  • Guided course
    Completely Inelastic Collisions
    04:18
  • Guided course
    Three-Body Collisions
    08:22

Types of Collisions

  • Guided course
    Overview of Collision Types
    04:47

Elastic Collisions

  • Guided course
    Intro To Elastic Collisions
    08:56
  • Guided course
    Head-On Elastic Collision
    07:05
  • Guided course
    Special Equations in Elastic Collisions
    08:24

Collisions & Motion (Momentum & Energy)

  • Guided course
    Bullet-Block with Height
    09:16
  • Guided course
    Collision Problems with Motion/Energy
    09:25

Torque & Acceleration (Rotational Dynamics)

  • Guided course
    Torque & Acceleration (Rotational Dynamics)
    08:12
  • Guided course
    Torque & Acceleration of a Point Mass
    03:42

Intro to Torque

  • Guided course
    Example 3
    02:59
  • Guided course
    Intro to Torque
    15:04
  • Guided course
    Torque of fish pulling on pole
    04:26

Net Torque & Sign of Torque

  • Guided course
    Net Torque & Sign of Torque
    08:55

Torque Due to Weight

  • Guided course
    Torque Due to Weight
    10:19

Torque on Discs & Pulleys

  • Guided course
    Torque on Discs & Pulleys
    08:28
  • Guided course
    Net Torque on a disc
    08:31

Rotational Position & Displacement

  • Guided course
    Rotational Position & Displacement
    14:03
  • Guided course
    Displacement in Multiple Revolutions
    05:58

Rotational Velocity & Acceleration

  • Guided course
    Rotational Velocity & Acceleration
    11:21
  • Guided course
    Rotational velocity of Earth
    04:03

Equations of Rotational Motion

  • Guided course
    Rotational velocity of disc
    05:48
  • Guided course
    Equations of Rotational Motion
    07:18

Converting Between Linear & Rotational

  • Guided course
    Length of string rotating point mass
    05:44
  • Guided course
    Converting Between Linear & Rotational
    11:10

Torque with Kinematic Equations

  • Guided course
    Stopping flywheel with friction
    11:14
  • Guided course
    Torque with Kinematic Equations
    08:06

Rotational Dynamics of Rolling Motion

  • Guided course
    Rotational Dynamics of Rolling Motion
    13:30

Intro to Moment of Inertia

  • Guided course
    Moment of inertia of Earth
    05:06
  • Guided course
    Intro to Moment of Inertia
    11:47
  • Guided course
    Inertia of planet of known density
    04:58

Moment of Inertia of Systems

  • Guided course
    Inertia of disc with point masses
    04:12

Moment of Inertia & Mass Distribution

  • Guided course
    Moment of Inertia & Mass Distribution
    03:42

Intro to Rotational Kinetic Energy

  • Guided course
    Mass of re-designed flywheel
    03:21
  • Guided course
    Intro to Rotational Kinetic Energy
    06:07

Types of Motion & Energy

  • Guided course
    Kinetic Energy of a Point Mass
    06:05
  • Guided course
    Types of Motion & Energy
    08:49

Energy of Rolling Motion

  • Guided course
    Energy of Rolling Motion (Surface vs Air)
    06:15
  • Guided course
    Ratio of energies of cylinder on surface
    05:32

Conservation of Energy with Rotation

  • Guided course
    Cylinders racing down:rolling vs. sliding
    06:20
  • Guided course
    Work to accelerate cylinder
    03:53
  • Guided course
    Conservation of Energy with Rotation
    13:08

Intro to Angular Momentum

  • Guided course
    Intro to Angular Momentum
    06:18

Angular Momentum of a Point Mass

  • Guided course
    Angular Momentum of a Point Mass
    08:35

Angular Momentum of Objects in Linear Motion

  • Guided course
    Angular Momentum of Objects in Linear Motion
    07:06

Conservation of Angular Momentum

  • Guided course
    Ice skater closes her arms
    06:58
  • Guided course
    Landing and moving on a disc
    13:39
  • Guided course
    Conservation of Angular Momentum
    12:12

Intro to Simple Harmonic Motion (Horizontal Springs)

  • Guided course
    Example
    04:07
  • Guided course
    Example
    03:26
  • Guided course
    Example
    02:09

Energy in Simple Harmonic Motion

  • Guided course
    Example
    03:56
  • Guided course
    Energy in Simple Harmonic Motion
    07:02
  • Guided course
    Example
    06:46

Simple Harmonic Motion of Vertical Springs

  • Guided course
    Simple Harmonic Motion of Vertical Springs
    04:52
  • Guided course
    Example
    04:40

Simple Harmonic Motion of Pendulums

  • Guided course
    Example
    05:39
  • Guided course
    Pendulum Equations
    08:31
  • Guided course
    Example
    03:13

Energy in Pendulums

  • Guided course
    Energy in Pendulums
    06:53
  • Guided course
    Example
    04:56