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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

• Geometric Method
• Component method

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

• Relative velocity in 1-D
• Mia and Brandi
• Relative velocity in 2-D
• Crossing a river

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

• Finding the center-of-mass
• Motion of the center-of-mass
• Motion with no external force

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

• Displacement vs. pressure
• Intensity vs. distance
• The Doppler effect

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.