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
Graduate Forced Vortex in Earth's Atmosphere: Height and Density Distribution Explained
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Graduate Wave equation, general solution, cylindrical symmetry
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Undergrad Understanding the Basics of Reynolds Transport Theorem
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High School Solid Angle Diagram: What is a Plane & Solid Angle? 1 sr & 1 rad Defined
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High School What is the Geometric Centre of a Body?
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High School How can you determine the latitude of your house?
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Undergrad Why Vectors product the way it is?
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Undergrad Does Betz Law Apply to Helicopters?
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Graduate Numerical Studies: Research Ideas for Simulating Phenomena
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High School Uncovering the Physics Behind Everyday Phenomena
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Uncovering the Life of Mr. IE Irodov
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High School At Center of Earth: Weightless or Crushed?
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High School Fundamental Equations of Classical Physics
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Graduate D'Alembert's solution of the wave equation
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Undergrad Transposing the hydraulic diameter formula
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Undergrad Any truth to discharging our bodies?
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Undergrad What is a second-order phase transition?
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Graduate General Formula Resistors Polyhedron
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Graduate Building Planets: Explaining Expression (??) in Planet Construction
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Undergrad Is Energy from the Sun Radiated in a Vacuum?
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Graduate Suggestions for an advanced physics lab project
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High School Stirring tea with floating leaves
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Graduate Classical explanation of Photodissociation?
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Graduate Good physics books for mathematicians
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High School Hole in Parachutes: Why is It Necessary?
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High School Contradiction regarding capillarity
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Undergrad Understanding FFT Power Spectrum, Phase and Magnitude: Clearing Doubts
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Undergrad Is there any quantity in physics that has the unit kg^2 in it?
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Undergrad Energy of Wave: Does Amplitude Affect E?
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Graduate SI: Why relying to such a definition of a kilogram?
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Undergrad How Do Harmonics Work on a Guitar String?
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Undergrad Vladimir G Ivancevic, who is he? credible?
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Graduate Why do Spherical Non-Oscillating Bubbles Dissolve in Saturated Liquids?
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Graduate Is Power Balance a Valid Criterion for Oscillating System Stability?
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Graduate Wilson's GF Method (molecular vibrations)
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Undergrad Conceptual quest on standing wave
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Undergrad Frequence of resonating wine glass
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Graduate Where does this equation come from?
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Graduate Understanding classical stochastic systems
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Undergrad Understanding Normal Mode: What is it?
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Undergrad Molecular Geometrical Representation
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Graduate How much of visible sky is occupied by CO2?
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Graduate Troubleshooting Evaporation Simulation for Flash Animation: Tips and Suggestions
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Undergrad How does a salt bridge prevent charge buildup in a galvanic cell?
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High School Why is glass transparent and solid?
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Graduate Unit reduction is not making sense, what's going on?
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Graduate Can energy-interfered waves be used in encryption?
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Graduate What causes materials to be lossy and how can this loss be measured?
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Graduate Is the maximum of a function in 3 space a constant?
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Undergrad Relationship Between Mass, Tension & Length in a Vibrating String
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High School Whats the difference between progressive wave and stationary waves ?
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Undergrad Wave Propagation: Experiences Beyond Equilibrium Position
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Undergrad Wave vs Waves: Understanding the Difference in Continuous Disturbances
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Graduate What is the Approximation for Retarded Time?
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Graduate Optimal Performance of a Water Molecule Vessel in Ocean Conditions
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High School What Causes Gravity? Insulation & Density Explained
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Undergrad I once came across a Wikipedia page describing a system where
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High School What is Shear in Materials Science?
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High School How 2 Notes Combine on Piano Keyboard
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Graduate Scientists Discuss Mysteries of Vacuums
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High School Does close systems really exist?
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High School Learn About Harmonic Oscillator - Beginner Physics Guide
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Graduate Solve World Physics Olympiad (WOPHO) Problems Together
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Undergrad Where is the Phase Diagram for X and XDot?
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High School Why Do Many Physical Phenomena Exhibit Wave Behavior?
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Undergrad Inverse square law and infinite intensity
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Undergrad Which shock is dangerous: 1.High V &Low I. 2.Low V & high I.
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Graduate Self-Diffusion, two versions of mean square displacement
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Undergrad Why is force inversely proportional to distance?
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High School Using only intuition, about a locked thread
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Graduate Solving the Wave Equation with Method of Characteristics
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High School Syphoning Effect: Is It Possible?
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Graduate Mass Air Bubble: Negative Effects in Material Medium
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Inflating Tyres: Is it Possible to Make Them Lighter?
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Undergrad How do I derive viscosity equation
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High School Understanding Fluids: The Weight of Steel Balls in Alcohol and Oil
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Graduate Connection between precession and resonance frequencies?
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Graduate Physical explanation of Kronig-Kramers application
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Undergrad Can you harvest a sails energy withouth movement?
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Undergrad Why doesn't resonance result in infinite energy transfer?
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Graduate Which is the proper formula for mag-monopoles attraction?
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Graduate Mean free path in units g/cm^2
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High School Which Formulas have this format?
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Undergrad Centrifugal Pumps & Blowers: Why Prime Pumps not Blowers?
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Undergrad Understanding Degrees of Freedom in Calculating Molecule Kinetic Energy
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Undergrad What are the toughest physics exercise books?
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Undergrad How does energy transmission work in waves?
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Undergrad How does analog video acquisition work?
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High School Understanding the Concept: Unchangeable Models
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High School Why Don't Waves Freeze in Water?
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Undergrad What Are the Physics Behind Exponential Horns and Air Expansion?
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Undergrad Brass Instruments: Why Bells Allow Efficient Energy Transfer
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Undergrad Why is the energy not conserved when adding waves?
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Undergrad Help with understanding resonance
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High School Which Liquid Lubricant Replaces Grease for Bicycle Chains?
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Undergrad Identifying Spectra: Comparing Closest Matches for Unknown Spectra
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Undergrad Wave equation derivation Why is the angle assumed to be small?
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High School How do opaque objects have colour?
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Graduate Where did the terms \overline{E \overline{P}} - \overline{\overline{E} P} go?
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Graduate Exploring Subsonic, Compressible Flow in Curved Ducts
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