I’m probably going to change some of these videos (especially the earlier ones), but here is my list of videos for Intro Physics I.

Chapter 1: Kinematics

• Position and Average Velocity in 1D
• Example: When do 2 trains meet?
• Introduction to numerical calculations – solving motion by breaking it into many tiny pieces.
• Acceleration in 1D
• Example – constant acceleration in 1D with numerical calculation
• Example – when does an accelerating police car catch a speeder?

Chapter 2: Forces and Motion in 1D

• Nature of Force and Motion (Newton’s 2nd Law and the Momentum Principle)
• Falling objects (gravity)
• Modeling the motion of a mass oscillating on a spring

Chapter 3: Motion in 2D and 3D

• Introduction to vectors
• Kinematic Equations in 2D (and 3D)
• Example – 2D flying bird position
• Introduction to projectile motion
• Projectile range for object shot off a cliff
• Numerical calculation for projectile motion
• Acceleration of a frictionless block on an inclined plane
• Example – Flying R2 D2
• Speed vs. Velocity

Chapter 4: Calculated Forces

• Universal Gravitational Force
• Example – calculating the gravitational force on Apollo 13 spacecraft
• Introduction to visual objects in python
• Modeling the motion of an object near the Earth
• Modeling the Earth-moon system
• Visual model of the mass-spring system
• How far does something have to fall to reach terminal velocity?

Chapter 5: Constraint Forces

• What is the normal force?
• Static and kinetic friction forces
• Example – finding the coefficient of friction and force to pull a block
• What is the best angle to pull a block with friction?
• Finding the angle that a block slides on a plane
• The difference in acceleration for a sliding block up and down a plane
• Using the difference in acceleration up and down a plane to find the coefficient of friction
• Acceleration for an Atwood Machine
• Acceleration for a half-Atwood Machine
• Forces of constraint vs. Calculated Forces

Chapter 6: Circular Motion

• Derivation of the acceleration of an object moving in a circle
• Ball moving in a horizontal circle
• How fast can a car drive on a flat turn with friction?
• What is the optimal speed for a car on a banked curve (no friction)?
• How fast can you drive on a banked curve WITH friction?
• Varying parameters for a car on a banked curve (with python)
• Introduction to rotational kinematics
• Calculating the velocity for a circular orbit
• Modeling circular orbits with python – also geostationary orbits
• Example – Squirrel on a spinning bird feeder

Chapter 7: Work-Energy

• Introduction to the Work-Energy Principle
• Calculating work on an object
• Introduction to the gravitational potential energy
• Demonstration – the work done by the gravitational force doesn’t depend on path
• Example – Calculating the impact force for Iron Man crashing in the sand.
• Work done by a spring and the spring potential energy
• Path independence of the work done by a spring
• Finding the tension at the bottom of a swing
• Universal gravitational potential energy
• Escape velocity
• How much energy does it take to get into low Earth orbit
• You can’t calculate the work done by friction

Chapter 8: Collisions

• Conservation of momentum in a collision
• Inelastic collisions in 1D
• Inelastic collisions in 2D
• Inelastic collisions in 2D – calculator with python
• Elastic collisions in 1D
• Modeling 2D collisions with python
• Ballistic pendulum
• Two cars crashing head on vs. twice the speed crashing into a wall
• Modeling inelastic collisions in python

Chapter 9: Torque and Equilibrium

• What is torque?
• Finding the center of gravity using torque
• Sometimes the center of mass and the center of gravity are different
• Example – forces on a diving board
• What is the minimum coefficient of friction to prevent a leaning ladder from slipping?
• Calculating the ladder problem with python
• How far can a penguin walk out on a plank?
• How does the tension change as the penguin walks the plank? Python calculation.
• Torque as a vector
• The best torque demo – the Power Balance trick

Chapter 10: Angular Momentum

• What is angular momentum?
• Finding the rotational speed of a disk dropped on a spinning disk
• Angular momentum and kinetic energy for point mass vs. rigid object
• Angular momentum for a spinning ice skater
• Introduction to the Angular Momentum Principle
• Frictionless block vs. a rolling disk on an inclined plane – part 1 – using work-energy
• Frictionless block vs. a rolling disk on an inclined plane – part 2 – using forces
• How long does it take a pencil to tip over?