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

I Is calling fictitious forces "not real" just about terminology?

Optics

I How do I stretch a laser from a beam into a sheet?

Thermodynamics

I What thermal cycle would describe the action of a candle carousel?

Electromagnetism

A Reflections at the source point of a transmission line
Harmonic Wave Equation: What Are x & t (Length & Time Units)?
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Aphex Twin's Equation: Meaning and Significance
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Nonlinear Physics Books: Recent Progress & Related Fields
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Confusion about Gauss' law differential form
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Gauss's Law - Irregular Surfaces
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Rocket Propulsion: Question About Relationship of V and M0/M(t)
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Spontaneous Process and Irreversibility
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How Do Gauge Transformations Influence Physical Fields?
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Gravitational attraction force b/w point mass and rod
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Calculating Heat Transfer to Ideal Gas During Isochoric Process
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Transport Theorem Explained in Non-Physicist Terms
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Find the Meaning of "Thrust" in Mechanics Questions
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At instances farmers have been injured when their tractors suddenly
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Space Experiment: Will Man Move When Weightless?
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Neumann Boundary Conditions question
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Dot cancellation (holonomic constraints)
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Gravity Problem: Equator vs Poles - What Happens?
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Ideal Simple Machines: Input Work & Power Equal Outputs
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Solve Spivak's Rocket in Empty Space
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Variable-Mass Systems: Newton's 2nd Law
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Back EMF: Explaining the Counter Voltage Induced by Change in Current
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Two-Bodies Problem REAL SOLUTION
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Simulating musical instruments with tuning forks
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Position in Motion: When to Use Cos & Sin in x=A*sin(wt+phi) or x=A*cos(wt+phi)?
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Understanding Rest, Stillness, Stationarity, Motion, Movement, and Travel
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How does charge transport against the electric field in a battery circuit?
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Is there any way that we can defy gravity?
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What is the mathematical equation for an aspheric lens surface?
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Alternative definitions of energy?
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How Do Satellites Stay in Orbit with Centripetal and Gravitational Forces?
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How can I find the adiabatic equation for real gases?
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How Can I Calculate the Energy Requirement for a Lateral Solenoid?
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Cooling of Spheres: Why is it Different?
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Conservative Forces: Friction a Non-Conservative Force?
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Is there a term called 'Wave Factor'?
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Does the dewpoint dry the air effectively?
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Measuring classical object to arbitrary precision
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How to determine where the B feild starts
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Hard to find bubble rise paper/bubble shape determination
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Force equilibrium of a thick-walled pipe
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Need help to get equation of Kirchhoff
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Consider the equilibrium situation on the picture attached. The wire
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How Does Stick Length Placement Affect Projectile Motion in Tipcat Experiments?
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Dispersion vs. time-dependence
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Gibbs Free Energy: Explained & Explored
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I was thinking about a rod colliding with an external wall, if you
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Landau theory: why does a m^3 term implies first order transition phase
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What physics programs should I add to my TI-84Plus?
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Can a Force on the Top of a Canister Move the Bracket Inside?
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Safe Gauss Levels: Human Limit & Everyday Exposure
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Ultrasonic Frequencies: Harassment or Something Else?
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As a gyroscope precesses, its center off mass moves in a circle
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Fluorescence - definition & possibilities
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Determining the clamping force on a Tube
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Mass continuity equation's applications for fluid
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What is Pouillet's Law and Its Connection to Ohm's Law?
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Resulting directions and velocities of two circles colliding
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Is There a Ground Zero for the Big Bang?
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Calculate Min/Max Gas Absorption Sensitivity w/ Beer-Lambert's Law
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Determining Likelihood of Divergance
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Why Do Negative Signs Appear in SHM Equations?
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Solve Famous Physicist's Equations: a, b, v, w, y
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Basic question regarding gravitation
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Why Does a Hard Boiled Egg Spin and Raw Egg Won't?
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Why P is proportional to epsilon*E?
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Forced Vortex in Earth's Atmosphere: Height and Density Distribution Explained
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The Axiomatization of Physics?
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Wave equation, general solution, cylindrical symmetry
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E and M waveguide theory spec. co-axial
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Understanding the Basics of Reynolds Transport Theorem
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Why is the size and location of pupils important in optical systems?
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Why Does Density Matter for Buoyant Force?
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Solid Angle Diagram: What is a Plane & Solid Angle? 1 sr & 1 rad Defined
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Deriving F=a2/λL in Fresnel Diffraction
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General Question Regarding Internal Energy
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Time for liquid ejecting from a hole in tank to reach ground
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Ex of chaos->order circular patterns in liquid chemical reaction
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What is the Geometric Centre of a Body?
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What Does Extensity Mean in Endoreversible Thermodynamics?
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Translational equillibrium calculation when forces acting not at COG
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Derive that the lagrangian in classical phyics is L=T-V
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E&M: anyone knows what this equation is?
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Why virtual images in telescopes & microscopes?
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How can you determine the latitude of your house?
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A Damped Oscillator and Negative Damping Force
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Classically predicted ionisation energy of H
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Why Vectors product the way it is?
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Finding WavelengthHow do I find the wavelength using single slit diffraction?
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Centre of mass and centre of gravity
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Combining gaseous spaces with PV= mRT
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Does Betz Law Apply to Helicopters?
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Constructing a hall effect transducer
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What is the speed of light in a Michelson interferometer?
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What is the Skin Effect in Electrical Conductors?
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What is the meaning of homogenous and isotropic in Gallilean transformation?
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How can we prove that the forces acting on a body can form a closed-up
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Calculating drop heights based on known forces
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Free Energy Thought Experiment Question
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Is the principle of energy a tautology ?
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Can a Car's Stereo Still Function at the Speed of Light?
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