Concave Mirror Demo: PendulumPhysics Demos2026-09-28 | Concave Mirror Demo: Pendulum3.3 Projectile Motion, Part BPhysics Demos2022-09-14 | This is a video describing how to calculate the height, range, and time-of-flight of a football.Newtons Second Law in a Rotating Frame (9.6)Physics Demos2020-03-25 | In this video, I show how to write Newton's second law in a frame that rotates with constant angular velocity, and introduce the Coriolis and centrifugal forces.Accelerations in Inertial and Rotating Frames (9.5)Physics Demos2020-03-24 | In this video, I relate the accelerations as seen by observers in the inertial and rotating frames of reference.Velocities in Inertial and Rotating Frames (9.4)Physics Demos2020-03-24 | In this video, I relate the velocities as seen by observers in inertial and rotating frames of reference.Time Derivatives in Inertial and Rotating Frames (9.3)Physics Demos2020-03-24 | In this video, I write down a relationship between the time derivatives of a vector quantity in the inertial and rotating frames.Example: Box in Railroad CarPhysics Demos2020-03-24 | In this video, I show how to apply Newton's second law in an accelerating frame by considering a box on the floor of an accelerating railroad car.Linearly Accelerating Frame (9.2)Physics Demos2020-03-24 | In this video, I rewrite Newton's second law in a frame that accelerates with constant acceleration, and identify the associated inertial force.Reference Frames (9.1)Physics Demos2020-03-24 | In this video, I define "inertial reference frame," "non-inertial reference frame," and "inertial force."Keplers Laws (8.10)Physics Demos2020-03-23 | In this video, I show that Isaac Newton's three laws, when coupled with his universal law of gravitation, give Kepler's three laws, a feat that Newton accomplished in 1687 in his Principia. I also show that the periods and semimajor axes of planetary and asteroid orbits obey Kepler's third law to high precision. The result is one of the most profound and historically significant results in physics. It showed for the first time that mathematical laws can describe nature.Orbit Equation (8.8)Physics Demos2020-03-23 | In this video, I derive the orbit equation for the gravitational potential, in polar coordinates.Eccentricity (8.9)Physics Demos2020-03-23 | In this video, I use the orbit equation to determine the range of values of the eccentricity for circular, elliptical, parabolic, and hyberbolic orbits, and find the minimum and maximum radii for each type of orbit, where pertinent.Effective Potential (8.7)Physics Demos2020-03-23 | In this video, I use the effective potential to identify the basic properties of circular, elliptical, parabolic, and hyperbolic planetary orbits.Energy in Polar Coordinates (8.6)Physics Demos2020-03-21 | In this video, I consider the energy in polar coordinates and prove that the energy must exceed the effective potential energy, pursuant to the study of planetary motion.Lagrangian in Polar Coordinates (8.5)Physics Demos2020-03-21 | In this video, I derive the Lagrangian in polar coordinates for a spherically symmetric potential, pursuant to the study of planetary motion.Kinetic Energy in Polar Coordinates (8.4)Physics Demos2020-03-21 | In this video, I derive the kinetic energy in polar coordinates, pursuant to the study of planetary motion.Newtons Universal Law of Gravitation (8.1-8.3)Physics Demos2020-03-21 | In this video, I write down Newton's universal law of gravitation, prove that it is conservative, and derive the potential energy associated with it.Simple PendulumPhysics Demos2020-03-21 | In this video, I use Lagrange's equations to derive the equation of motion for a simple pendulum.Lagranges Equations (7.1)Physics Demos2020-03-21 | In this video, I write the general prescription for solving conservative problems using Lagrange's equations.Shortest Distance Between Two Points (6.2)Physics Demos2020-03-20 | In this video, I use the calculus of variations to prove that the shortest distance between two points is along a straight line.Statement of Calculus of Variations (6.1)Physics Demos2020-03-20 | In this video, I state the calculus of variations problem, and describe how to solve it.Forced Harmonic Motion: Amplitude (5.7)Physics Demos2020-03-20 | In this video, I study the amplitude of the driven damped harmonic oscillator as a function of the natural frequency of undamped motion, and apply it to a child on a swing, an LRC circuit, and vocal formants.Forced Harmonic Motion: Solution (5.6)Physics Demos2020-03-20 | In this video, I find the particular solution to the equation of motion for a driven damped harmonic oscillator.Forced Harmonic Motion: Equation (5.4, 5.5)Physics Demos2020-03-16 | In this video, I use Newton's second law to derive the equation of motion for a driven, damped harmonic oscillator.27.5 DiffractionPhysics Demos2018-02-28 | This video covers Section 27.5 of Cutnell & Johnson Physics 10e, by David Young and Shane Stadler, published by John Wiley and Sons. The lecture is part of the course General Physics - Life Sciences I and II, taught by Dr. Boyd F. Edwards at Utah State University. This video was produced through the support of the USU Physics Department and the USU Media Productions team.Diffraction Demo: Single Slit and Circular AperturePhysics Demos2018-02-22 | This is a demonstration of the diffraction pattern produced by a single slit, with slit widths of 0.02 mm, 0.04 mm, 0.08 mm, 0.16 mm producing more and more closely spaced fringes. Also shown are patterns for circular apertures of 0.2 mm and 0.4 mm.
This demonstration was created at Utah State University by Professor Boyd F. Edwards, assisted by James Coburn (demonstration specialist), David Evans (videography), and Rebecca Whitney (closed captions), with support from Jan Sojka, Physics Department Head, and Robert Wagner, Executive Vice Provost and Dean of Academic and Instructional Services.13.2 ConductionPhysics Demos2018-02-06 | This video covers Section 13.2 of Cutnell & Johnson Physics 10e, by David Young and Shane Stadler, published by John Wiley and Sons. The lecture is part of the course General Physics - Life Sciences I and II, taught by Dr. Boyd F. Edwards at Utah State University. This video was produced through the support of the USU Physics Department and the USU Media Productions team.Collisions Demo: Two CartsPhysics Demos2018-02-06 | This is a demonstration of elastic and perfectly inelastic collisions, using two carts on a track.
This demonstration was created at Utah State University by Professor Boyd F. Edwards, assisted by James Coburn (demonstration specialist), David Evans (videography), and Rebecca Whitney (closed captions), with support from Jan Sojka, Physics Department Head, and Robert Wagner, Executive Vice Provost and Dean of Academic and Instructional Services.17.6 Longitudinal Standing WavesPhysics Demos2018-01-23 | This video covers Section 17.6 of Cutnell & Johnson Physics 10e, by David Young and Shane Stadler, published by John Wiley and Sons. The lecture is part of the course General Physics - Life Sciences I and II, taught by Dr. Boyd F. Edwards at Utah State University. This video was produced through the support of the USU Physics Department and the USU Media Productions team.19.4 Equipotential Surfaces and Their Relation to the Electric FieldPhysics Demos2018-01-08 | This video covers Section 19.4 of Cutnell & Johnson Physics 10e, by David Young and Shane Stadler, published by John Wiley and Sons. The lecture is part of the course General Physics - Life Sciences I and II, taught by Dr. Boyd F. Edwards at Utah State University. This video was produced through the support of the USU Physics Department and the USU Media Productions team.19.3 The Electric Potential Difference Created by Point ChargesPhysics Demos2018-01-08 | This video covers Section 19.3 of Cutnell & Johnson Physics 10e, by David Young and Shane Stadler, published by John Wiley and Sons. The lecture is part of the course General Physics - Life Sciences I and II, taught by Dr. Boyd F. Edwards at Utah State University. This video was produced through the support of the USU Physics Department and the USU Media Productions team.29.5 The De Broglie Wavelength and the Wave Nature of MatterPhysics Demos2018-01-08 | This video covers Section 29.5 of Cutnell & Johnson Physics 10e, by David Young and Shane Stadler, published by John Wiley and Sons. The lecture is part of the course General Physics - Life Sciences I and II, taught by Dr. Boyd F. Edwards at Utah State University. This video was produced through the support of the USU Physics Department and the USU Media Productions team.22.9 TransformersPhysics Demos2018-01-08 | This video covers Section 22.9 of Cutnell & Johnson Physics 10e, by David Young and Shane Stadler, published by John Wiley and Sons. The lecture is part of the course General Physics - Life Sciences I and II, taught by Dr. Boyd F. Edwards at Utah State University. This video was produced through the support of the USU Physics Department and the USU Media Productions team.17.2 Constructive and Destructive Interference of Sound WavesPhysics Demos2018-01-08 | This video covers Section 17.2 of Cutnell & Johnson Physics 10e, by David Young and Shane Stadler, published by John Wiley and Sons. The lecture is part of the course General Physics - Life Sciences I and II, taught by Dr. Boyd F. Edwards at Utah State University. This video was produced through the support of the USU Physics Department and the USU Media Productions team.19.2 The Electric Potential DifferencePhysics Demos2018-01-08 | This video covers Section 19.2 of Cutnell & Johnson Physics 10e, by David Young and Shane Stadler, published by John Wiley and Sons. The lecture is part of the course General Physics - Life Sciences I and II, taught by Dr. Boyd F. Edwards at Utah State University. This video was produced through the support of the USU Physics Department and the USU Media Productions team.29.3 Photons and the Photoelectric EffectPhysics Demos2018-01-04 | This video covers Section 29.3 of Cutnell & Johnson Physics 10e, by David Young and Shane Stadler, published by John Wiley and Sons. The lecture is part of the course General Physics - Life Sciences I and II, taught by Dr. Boyd F. Edwards at Utah State University. This video was produced through the support of the USU Physics Department and the USU Media Productions team.29.2 Blackbody Radiation and Plancks ConstantPhysics Demos2018-01-04 | This video covers Section 29.2 of Cutnell & Johnson Physics 10e, by David Young and Shane Stadler, published by John Wiley and Sons. The lecture is part of the course General Physics - Life Sciences I and II, taught by Dr. Boyd F. Edwards at Utah State University. This video was produced through the support of the USU Physics Department and the USU Media Productions team.28.3 The Relativity of Time: Time DilationPhysics Demos2018-01-04 | This video covers Section 28.3 of Cutnell & Johnson Physics 10e, by David Young and Shane Stadler, published by John Wiley and Sons. The lecture is part of the course General Physics - Life Sciences I and II, taught by Dr. Boyd F. Edwards at Utah State University. This video was produced through the support of the USU Physics Department and the USU Media Productions team.28.1 Events and Inertial Reference FramesPhysics Demos2018-01-04 | This video covers Section 28.1 of Cutnell & Johnson Physics 10e, by David Young and Shane Stadler, published by John Wiley and Sons. The lecture is part of the course General Physics - Life Sciences I and II, taught by Dr. Boyd F. Edwards at Utah State University. This video was produced through the support of the USU Physics Department and the USU Media Productions team.28.2 The Postulates of Special RelativityPhysics Demos2018-01-04 | This video covers Section 28.2 of Cutnell & Johnson Physics 10e, by David Young and Shane Stadler, published by John Wiley and Sons. The lecture is part of the course General Physics - Life Sciences I and II, taught by Dr. Boyd F. Edwards at Utah State University. This video was produced through the support of the USU Physics Department and the USU Media Productions team.28.4 The Relativity of Length: Length ContractionPhysics Demos2018-01-04 | This video covers Section 28.4 of Cutnell & Johnson Physics 10e, by David Young and Shane Stadler, published by John Wiley and Sons. The lecture is part of the course General Physics - Life Sciences I and II, taught by Dr. Boyd F. Edwards at Utah State University. This video was produced through the support of the USU Physics Department and the USU Media Productions team.28.6 The Equivalence of Mass and EnergyPhysics Demos2018-01-04 | This video covers Section 28.6 of Cutnell & Johnson Physics 10e, by David Young and Shane Stadler, published by John Wiley and Sons. The lecture is part of the course General Physics - Life Sciences I and II, taught by Dr. Boyd F. Edwards at Utah State University. This video was produced through the support of the USU Physics Department and the USU Media Productions team.26.8 The Thin-Lens Equation and the Magnification EquationPhysics Demos2018-01-04 | This video covers Section 26.8 of Cutnell & Johnson Physics 10e, by David Young and Shane Stadler, published by John Wiley and Sons. The lecture is part of the course General Physics - Life Sciences I and II, taught by Dr. Boyd F. Edwards at Utah State University. This video was produced through the support of the USU Physics Department and the USU Media Productions team.26.7 The Formation of Images by LensesPhysics Demos2018-01-04 | This video covers Section 26.7 of Cutnell & Johnson Physics 10e, by David Young and Shane Stadler, published by John Wiley and Sons. The lecture is part of the course General Physics - Life Sciences I and II, taught by Dr. Boyd F. Edwards at Utah State University. This video was produced through the support of the USU Physics Department and the USU Media Productions team.26.2 Snells Law and the Refraction of LightPhysics Demos2018-01-04 | This video covers Section 26.2 of Cutnell & Johnson Physics 10e, by David Young and Shane Stadler, published by John Wiley and Sons. The lecture is part of the course General Physics - Life Sciences I and II, taught by Dr. Boyd F. Edwards at Utah State University. This video was produced through the support of the USU Physics Department and the USU Media Productions team.26.11 Angular Magnification and the Magnifying GlassPhysics Demos2018-01-04 | This video covers Section 26.11 of Cutnell & Johnson Physics 10e, by David Young and Shane Stadler, published by John Wiley and Sons. The lecture is part of the course General Physics - Life Sciences I and II, taught by Dr. Boyd F. Edwards at Utah State University. This video was produced through the support of the USU Physics Department and the USU Media Productions team.26.3 Total Internal ReflectionPhysics Demos2018-01-04 | This video covers Section 26.3 of Cutnell & Johnson Physics 10e, by David Young and Shane Stadler, published by John Wiley and Sons. The lecture is part of the course General Physics - Life Sciences I and II, taught by Dr. Boyd F. Edwards at Utah State University. This video was produced through the support of the USU Physics Department and the USU Media Productions team.26.6 LensesPhysics Demos2018-01-04 | This video covers Section 26.6 of Cutnell & Johnson Physics 10e, by David Young and Shane Stadler, published by John Wiley and Sons. The lecture is part of the course General Physics - Life Sciences I and II, taught by Dr. Boyd F. Edwards at Utah State University. This video was produced through the support of the USU Physics Department and the USU Media Productions team.26.4 Polarization and the Reflection and Refraction of LightPhysics Demos2018-01-04 | This video covers Section 26.4 of Cutnell & Johnson Physics 10e, by David Young and Shane Stadler, published by John Wiley and Sons. The lecture is part of the course General Physics - Life Sciences I and II, taught by Dr. Boyd F. Edwards at Utah State University. This video was produced through the support of the USU Physics Department and the USU Media Productions team.26.1 The Index of RefractionPhysics Demos2018-01-04 | This video covers Section 26.1 of Cutnell & Johnson Physics 10e, by David Young and Shane Stadler, published by John Wiley and Sons. The lecture is part of the course General Physics - Life Sciences I and II, taught by Dr. Boyd F. Edwards at Utah State University. This video was produced through the support of the USU Physics Department and the USU Media Productions team.25.3 The Formation of Images by a Plane MirrorPhysics Demos2018-01-04 | This video covers Section 25.3 of Cutnell & Johnson Physics 10e, by David Young and Shane Stadler, published by John Wiley and Sons. The lecture is part of the course General Physics - Life Sciences I and II, taught by Dr. Boyd F. Edwards at Utah State University. This video was produced through the support of the USU Physics Department and the USU Media Productions team.