Course

Physics

Projectile motion, mechanics and electricity and magnetism. Solid understanding of algebra and a basic understanding of trigonometry necessary.

66 Lectures

• Introduction to Motion Part 1

00:09:09

Introduction to basic physics of motion. Introduces the concept of variable velocity/acceleration.

• Introduction to Motion Part 2

00:09:37

More on how velocity, distance, acceleration and time relate to each other.

• Introduction to Motion Part 3

00:04:30

Using the basic equations of distance and velocity to solve motion problems.

• Projectile Motion Part 1

00:09:07

Using the equations of motion to figure out things about falling objects.

• Projectile Motion Part 2

00:09:13

A derivation of a new motion equation.

• Projectile Motion Part 3

00:09:04

An example of solving for the final velocity when you know the change in distance, time, initial velocity, and acceleration.

• Projectile Motion Part 4

00:08:57

Solving for time when you are given the change in distance, acceleration, and initial velocity.

• Projectile Motion Part 5

00:09:33

How fast was the ball that you threw upwards?

• Projectile Motion Part 6

00:09:49

More on the ball throwing game.

• Projectile Motion Part 7

00:10:34

How high did the ball go?

• Projectile Motion Part 8

00:01:46

A little leftover from part 7.

• Projectile Motion Part 9

00:08:21

Another example of projectile motion.

• Projectile Motion Part 10

00:10:06

Some more examples with projectile motion.

• 2-Dimensional Projectile Motion Part 1

00:09:18

Using vectors to solve 2 dimensional projectile motion problems.

• 2-Dimensional Projectile Motion Part 2

00:09:57

More on 2 dimensional projectile motion.

• 2-Dimensional Projectile Motion Part 3

00:09:13

Completing our first example from parts 1 and 2.

• 2-Dimensional Projectile Motion Part 4

00:09:04

Another example of a 2-dimensional projectile motion problem.

• 2-Dimensional Projectile Motion Part 5

00:04:05

The second part of the last projectile motion problem.

• Optimal Angle for Projectile Part 1

00:05:50

Optimal Angle for Projectile Part 1.

• Optimal Angle for Projectile Part 2

00:04:12

Optimal angle for a projectile part 2 - Hangtime.

• Optimal Angle for Projectile Part 3

00:02:39

Horizontal distance as a function of angle (and speed).

• Optimal Angle for Projectile Part 4

00:10:41

Optimal Angle for Projectile Part 4.

• Newton's First Law of Motion

00:09:26

Introduction to newton's first law of motion. Inertial frames of reference.

• Newton's Second Law of Motion

00:09:47

An introduction to Newton's Second Law of Motion.

• Newton's Third Law of Motion

00:09:18

Intuition behind Newton's Third Law of Motion.

• Newton's Law Problem Part 1

00:09:17

Examples of exercises using Newton's laws.

• Newton's Law Problem Part 2

00:09:22

A couple of more examples involving Newton's Laws.

• Newton's Laws

00:09:55

A problem involving a braking train.

• Introduction to Tension

00:10:19

An introduction to tension. Solving for the tension(s) in a set of wires when a weight is hanging from them.

• Tension Part 2

00:10:19

A slightly more difficult tension problem.

• Tension in an Accelerating System

00:09:28

The second part to the complicated problem. We figure out the tension in the wire connecting the two masses. Then we figure our how much we need to accelerate a pie for it to safely reach a man's face.

• Moving Pulley Problem Part 1

00:09:53

What happens when we pull on a pulley and the pulley is pulling on other things?

• Moving Pulley Problem Part 2

00:06:40

Second part of what happens when we pull on a pulley.

• Introduction to Momentum

00:09:18

What momentum is. A simple problem involving momentum.

• Momentum: Ice Skater Throws a Ball

00:06:00

A simple conservation of momentum problem involving an ice skater and a ball.

• 2-Dimensional Momentum Problem Part 1

00:10:35

An example of conservation of momentum in two dimensions.

• 2-Dimensional Momentum Problem Part 2

00:09:32

We finish the 2-dimensional momentum problem.

• Introduction to Work and Energy Part 1

00:09:18

Introduction to work and energy.

• Introduction to Work and Energy Part 2

00:09:51

More on work. Introduction to Kinetic and Potential Energies.

• Conservation of Energy

00:10:06

Using the law of conservation of energy to see how potential energy is converted into kinetic energy.

• Work/Energy Problem with Friction

00:10:05

A conservation of energy problem where all of the energy is not conserved.

00:10:02

Introduction to simple machines, mechanical advantage and moments.

00:06:50

More on mechanical advantage, levers and moments.

00:10:34

Introduction to pulleys and wedges.

• Center of Mass

00:09:36

Introduction to the center of mass.

• Introduction to Torque

00:09:24

An introduction to torque.

• Moments Part 1

00:14:14

Introduction to moments.

• Moments Part 2

00:13:50

2 more moment problems.

• Unit Vector Notation Part 1

00:09:54

Expressing a vector as the scaled sum of unit vectors.

• Unit Vector Notation Part 2

00:09:13

More on unit vector notation. Showing that adding the x and y components of two vectors is equivalent to adding the vectors visually using the head-to-tail method.

• Projectile Motion with Unit Vectors Part 1

00:10:10

Determining the position vector as a function of time.

• Projectile Motion with Unit Vectors Part 2

00:09:14

Let's see if the ball can clear the wall.

• Projectile Motion with Ordered Set Notation

00:10:17

Solving the second part to the projectile motion problem (with wind gust) using ordered set vector notation.

• Centripetal Acceleration Part 1

00:10:08

Intuition behind what it takes to make something travel in a circle.

• Centripetal Acceleration Part 2

00:10:10

More intuition on centripetal acceleration. A simple orbit problem.

• Centripetal Acceleration Part 3

00:07:40

How fast does a car need to go to complete a loop-d-loop.

• Visual Proof: a= v^2/r

00:10:01

Visual proof that centripetal acceleration = v^2/r.

• Calculus Proof that a=v^2/r

00:10:14

Using calculus and vectors to show that centripetal acceleration = v^2/r.

• Introduction to Angular Velocity

00:08:10

Angular velocity or how fast something is spinning.

• Conservation of Angular Momentum

00:10:12

Angular momentum is constant when there is no net torque.

• Introduction to Newton's Law of Gravitation

00:08:37

A little bit on gravity.

• Gravitation

00:08:16

A little bit more on gravity.

• Spring and Hooke's Law

00:10:05

Introduction to Hooke's Law.

• Potential Energy Stored in a Spring

00:10:00

Work needed to compress a spring is the same thing as the potential energy stored in the compressed spring.

00:09:38