Updated 9-27-2019

**Motion in 1-D**

- Basic example
- Constant velocity; constant acceleration
- Multiple representations
- A two-car race
- Motion Graphs
- Freefall
- Velocity Vectors

**Vector Addition**

**Motion in 2-D**

- Independence of x and y
- A ballistic cart
- Projectile motion example
- Questions: Three Projectiles
- Question: Landing Higher
- Maximum Height
- Time of flight
- Range
- Monkey and Hunter
- Whole Vectors

**Relative Velocity**

**Forces and Newton's Laws of Motion**

- Free-body diagrams
- Another free-body diagram
- Free-body diagrams: three blocks
- Newton's Second Law example
- Two blocks
- Elevator Physics
- Inclined plane
- Atwood's machine
- Friction Question
- Measuring m
_{s} - Graphs for the Inclined Plane
- Inclined Atwood's machine

**Uniform Circular Motion**

- Basic ideas
- Masses on a turntable
- Carnival ride model
- The Earth and the Sun
- Vertical circular motion
- A ball on a string

**Work and Energy**

- Work and Kinetic Energy
- A spring
- Work done by a spring
- Energy in a spring system
- Energy graphs
- Pendulum
- A spring, a ramp, and a mass
- A spring, a ramp, and a mass with friction

**Center-of-Mass**

**Momentum**

- Impulse
- Elastic and Inelastic collisions
- Ballistic pendulum
- Baseball and basketball
- A collision in 2-D

**Rotation**

- Rotational kinematics example
- Comparing straight-line and rotational motion
- Rotation Question
- Revolving Doors
- Three ways to find torque
- Equilibrium
- Equilibrium example
- Applying Newton's Second Law
- A Force and a Pulley
- Atwood's machine re-visited
- Energy example
- Four views of rolling
- Racing shapes
- An accelerating car
- Newton's Second Law example
- Conservation of angular momentum

**Gravitation**

- Gravitational Field
- Escape speed
- Orbits and angular momentum
- Orbits and energy
- Kepler's Second Law
- Two planets
- Inner planets of the solar system

**Harmonic Motion**

- Mass on a spring
- The connection between SHM and circular motion
- Dissecting the SHM equation
- Motion graphs
- Energy in a spring system
- Sample problem
- A simple pendulum
- A pendulum at large amplitudes
- Damped harmonic motion
- Driven harmonic motion

**Waves**

- Transverse and longitudinal waves
- How a wave propagates
- The connection with simple harmonic motion
- Wavelength and period
- Wave speed
- Frequency, speed, and wavelength
- Energy and power

**Sound**

**Interference of Waves**

- Superposition
- Constructive and destructive interference
- Superposition of two pulses
- Reflections from free and fixed ends
- Interference in 2-D
- Beats
- Standing Waves
- A string fixed at both ends
- A tube open at both ends
- A tube open at one end
- Sample problem
- Fourier Analysis: building a square wave

**Fluids**

- Pressure in a static fluid
- Pascal's principle
- Buoyant force
- Apparent Weight
- Sample Problem
- Continuity equation
- Curveball
- A hole in my bucket

**Thermodynamics**

- Heating Something with a Hole
- Question about Specific and Latent Heats
- Heat Conduction
- Newton's Law of Cooling
- Ideal Gas
- Kinetic Theory
- Sample problem
- Thermodynamic processes: isobaric, isochoric, and isothermal
- Adiabatic process
- Free expansion
- A cyclic process
- Calculating a change in entropy
- The Carnot cycle
- The Stirling cycle
- P-V diagram for a refrigerator

Modified 9-27-2019, revived the rest of the original Physlets

Modified 8-18-2019, revived many of the original Physlets

Modified 4-21-2015, updated with a signed jar file.