Classical Physics Forum

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Join expert classical physics discussion on the principles developed before the rise of relativity and quantum mechanics. Including mechanics, electrodynamics, thermodynamics, optics.

Mechanics

Undergrad Motorized top with internal unbalanced flywheel

Optics

High School Volumetric Holographic Displays

Thermodynamics

High School Using battery energy to heat a battery…

Electromagnetism

High School Electric Fields inside Conductors & Gauss's Law
Undergrad Does Young's Modulus Vary with Changes in Size?
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Graduate Aether Experiments: What's Your Take?
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Undergrad Difference between wavenumber and wave mode?
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High School Progressive Wave Nodes: Why Don't They Exist?
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Undergrad Understanding the Relationship Between A and B: A Variation Analysis
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Graduate Nonlinear Fluid Dynamics & Free Energy Flow
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Graduate Capillary action meniscus height in a tube fitted inside another tube?
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Undergrad Diffusion of Liquid: Explaining the Physics
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Undergrad Molecular Physics: Why is Less Dense Liquid Higher Than More Dense?
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High School Why Does Pepper Move to the Edge of the Plate in the Soap Experiment?
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Graduate The formula pV=1/3Nm(c_rms)^2 in non cuboids
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High School Why Does Water Rise in Empty Glass When Using a Paper Towel?
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Undergrad Transformation Y-Δ with matrix?
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Graduate Can someone explain these equations?
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Undergrad Oscillator driving frequencies
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Improving Cooling Efficiency: Two Effective Strategies
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Undergrad Question about the possible use of waves in a certain device
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Graduate Waves: When do we use $e^{i(-kx + wt)}$ as opposed to $e^{i(kx - wt)}$
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Passive flapping butterfly garden ornament?
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Undergrad Question about cylindrical Coordinates
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High School Difference between physical property and physical quantity?
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Graduate How to compute the energy of scalar wave equation
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Undergrad When to use gradient and when to use only one coordinate
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Graduate Orienational order parameter in isotropic systems
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Undergrad Explain Poiseuille's Law - Learn Quickly
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Graduate How Can We Design a Solar Drone with Long Duration Flight and High Payload?
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Graduate Where can I find the derivation of the Group Velocity formula?
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Undergrad Maximizing Power Output with Piezoelements: A Comprehensive Guide
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Undergrad Doppler effect, source and receiver in different media
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What is program used in ray tracing simulation?
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Graduate Diffusion: Concentration profile for point sink in infinite plane
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Undergrad Would wind tubine on moving automobile pomote inlet efficiency?
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Graduate High Repetitive Photocathode RF Gun
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Undergrad Resonance feedback loop on guitar
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High School Why Does Fundamental Freq Have Largest Amplitude?
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Undergrad A question about resonance curve
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Graduate Relationship between intutions on energy
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Graduate Stability of the Classical Rutherford Atom: A Hydrogen Example
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Undergrad Do Standing Waves Occur for All Frequencies?
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Graduate Complete Removal of Matter from Space
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Graduate An exact solution for the Navier-Stokes?
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Undergrad What software can I use to visualize transformations of the plane?
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High School Creating Cells with Household Materials: Ideas?
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High School What is the Doppler Effect and how does it impact sound perception?
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Graduate Overdamped vs underdamped Langevin
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Graduate Understanding Negative Energy in Earth-Satellite Systems
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Undergrad Are Oblique Coordinate Systems More Useful Than Orthogonal Systems in 2-D Space?
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High School Why Does Ice Float in Water at 9°C?
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High School How can I calibrate my Ohaus cent-o-gram model 311 balance scale?
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Graduate Fair and unfair N-sided dice in principle.
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Undergrad Is the Conservation of Energy a Law or a Fact?
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Graduate Drawing a gravitational field inside a planet
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Graduate Where Do Sections 3.45 and 3.46 in Goldstein's 3rd Edition Originate?
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Graduate What is the physical difference between compression waves and longitud
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Graduate Why this solution to the 3D periodic Navier-Stokes?
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High School Why are ice cubes not really cubes, but trapezes?
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Graduate Vortices, Resonators, and Foam sleeving
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Undergrad Is there an algorithmic way of drawing phase portraits by hand?
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Graduate Complex Fourier series of sin (t)
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Graduate Solving 1D wave equation for a flag (not attatched at both ends)
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Graduate Predict timbre from First Principles?
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Undergrad Fourier Transform of this function
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Graduate Can we write icap-jcap=pi/2 ? why or why not?
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Undergrad Is a Sine Wave Defined by Its Physical Shape or Graph Representation?
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Undergrad Doppler Shift as Function of MUSIC
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Fictitious Forces: Science Fiction & Fantasy
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High School Lower energy level more stable why?
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Undergrad Constraint-prof V balakrishnan video
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Undergrad What are the Recommended Texts for Understanding Kepler's Laws?
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Graduate How Much Mechanical Stress Can an Antimatter Drive's Loop Handle?
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Graduate Confused about human sensitivity to color
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Undergrad Normal modes of a string thought experiment
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High School Mysterious Formula: Can You Help Alicia?
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High School Roughly, how many kg of fuel do we need to get x lbs into space?
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High School What is the meaning of interaction in science?
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Undergrad Why does resistance change in fluid flow from laminar to turbulent conditions?
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Graduate Why can k in the Delta Function equation be both positive and negative?
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Graduate What do you think of the terms used in this article?
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High School Doppler Effect: Speed Relative to Ground, Source, or Listener?
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High School Finding north with copper wire
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Graduate Functions dependent on a greater number of parameters
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Undergrad Relative to What? An Energy Conundrum
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Undergrad What is the relationship between intensity and amplitude in a wave source?
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Graduate How does radius of point spread function affect reconstruction errors?
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Undergrad Why are Batting Gloves Essential for Optimal Performance in Baseball?
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Undergrad How does a two open ended pipe resonate?
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Undergrad Vibration Formulas: Frequency, Amplitude & Acceleration
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High School How can 2 signals go thru copper wire?
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Undergrad Gas flow from one chamber to another
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Graduate Why is V=fl a dispersion relationship ?
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Undergrad What Causes Conductive Film on the Surface of Glass?
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High School What psi can be achieved from a 60mph wind
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Graduate Unity Hypotenuse Model: Fig. WL & Fig. P
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Graduate Question about Eötvös experiment
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Sensitive barometer indicating altitude
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Graduate On the nature of vacuum and questions thereof
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Undergrad Explanation of the discrete fourier transform
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Undergrad Why Do Bounded Mediums Have Specific Eigenfrequencies?
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Graduate Tracing seismic rays - possible intersection
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Undergrad Why does perspective skew some lines and not others?
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