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Physics

by Khan Academy
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    Introduction to Vectors and Scalars

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    Calculating Average Velocity or Speed

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    Solving for Time

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    Displacement from Time and Velocity Example

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    Acceleration

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    Newton's First Law of Motion

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    Newton's Second Law of Motion

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    Newton's Third Law of Motion

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    Airbus A380 Take-off Time

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    Airbus A380 Take-off Distance

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    Why Distance is Area under Velocity-Time Line

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    Average Velocity for Constant Acceleration

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    Acceleration of Aircraft Carrier Takeoff

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    Race Cars with Constant Speed Around Curve

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    Introduction to Gravity

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    Mass and Weight Clarification

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    Gravity for Astronauts in Orbit

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    Would a Brick or Feather Fall Faster

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    Deriving Displacement as a Function of Time, Acceleration and Initial Velocity

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    Plotting Projectile Displacement, Acceleration, and Velocity

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    Projectile Height Given Time

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    Deriving Max Projectile Displacement Given Time

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    Impact Velocity From Given Height

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    Visualizing Vectors in 2 Dimensions

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    Projectile at an Angle

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    Different Way to Determine Time in Air

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    Launching and Landing on Different Elevations

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    Total Displacement for Projectile

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    Total Final Velocity for Projectile

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    Correction to Total Final Velocity for Projectile

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    Projectile on an Incline

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    Unit Vectors and Engineering Notation

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    [Deleted Video]

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    [Deleted Video]

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    Optimal angle for a projectile part 1

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    Optimal angle for a projectile part 2 - Hangtime

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    Optimal angle for a projectile part 3 - Horizontal distance as a function of angle (and speed)

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    Optimal angle for a projectile part 4 Finding the optimal angle and distance with a bit of calculus

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    Normal Force and Contact Force

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    Normal Force in an Elevator

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    Inclined Plane Force Components

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    Ice Accelerating Down an Incline

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    Force of Friction Keeping the Block Stationary

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    Correction to Force of Friction Keeping the Block Stationary

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    Force of Friction Keeping Velocity Constant

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    Intuition on Static and Kinetic Friction Comparisons

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    Static and Kinetic Friction Example

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    Introduction to Tension

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    Tension (part 2)

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    Tension in an accelerating system and pie in the face

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    [Private Video]

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    [Private Video]

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    Introduction to Momentum

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    Momentum: Ice skater throws a ball

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    2-dimensional momentum problem

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    2-dimensional momentum problem (part 2)

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    Introduction to work and energy

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    Work and Energy (part 2)

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    Conservation of Energy

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    Work/Energy problem with Friction

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    Introduction to mechanical advantage

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    Mechanical Advantage (part 2)

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    Mechanical Advantage (part 3)

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    Center of Mass

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    Introduction to Torque

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    Moments

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    Moments (part 2)

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    Unit Vector Notation

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    Unit Vector Notation (part 2)

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    [Private Video]

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    [Private Video]

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    Projectile Motion with Ordered Set Notation

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    Centripetal Force and Acceleration Intuition

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    Visual Understanding of Centripetal Acceleration Formula

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    Relationship between angular velocity and speed

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    Calculus proof of centripetal acceleration formula

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    Loop De Loop Question

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    Loop De Loop Answer part 1

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    Loop De Loop Answer part 2

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    Acceleration Due to Gravity at the Space Station

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    Space Station Speed in Orbit

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    Conservation of angular momemtum

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    Introduction to Newton's Law of Gravitation

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    Gravitation (part 2)

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    Intro to springs and Hooke's Law

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    Potential energy stored in a spring

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    Spring potential energy example (mistake in math)

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    Introduction to Harmonic Motion

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    Harmonic Motion Part 2 (calculus)

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    Harmonic Motion Part 3 (no calculus)