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
B Forces inside a moving elevator
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B Can Smaller Chequers Change the Color of a Spinning Red and Green Pattern?
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I Predictive Dice Roll: Physics & Accuracy
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I I'm searching for a specific book with the derivation of ##E\propto v^2##?
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I Are physical constants 'constant' axiomatically, or is there a theory?
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I Using the ni Formula from a Paper with N=7: What do I Get?
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B Change in field strength if two variables are incremented at the same time
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New coordinate system and point location in new system
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How to calculate the damping factor for a vibrating string?
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I Why does this needle get an E field while this disk gets a D field?
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Opamp logarithmic & exponential amplifiers
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B Do Wedge Constraint Relations Affect Velocities Parallel to the Contact Surface?
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B Why does energy transfer during collisions?
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B Raindrops Cracking Windshields
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A Lagrangian to the Euler-Lagrange equation
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I Gauss' Law applicability on any closed surface
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I Viscosity Term in Navier-Stokes Equation
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B Where Does Energy Go in Young's Double Slit Experiment?
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Propagation of Error for Focal Length
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A Equipartition of energy in the modes of a resonant cavity
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I Why v vs. t graph signifies but s vs. t^2 doesn't ?
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I Is force a a bound vector or a free vector?
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I Why is this unit used in graphs; keV/amu ?
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B Determining whether the non-integral form of Gauss' law applies
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I Find the natural frequencies of small oscillations
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How Do Van Der Waals Forces Influence Adhesion in Glue and Gecko Setae?
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B Question about the Sun's gravitational influence on the Earth and its moon
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I Question about the Derivation of the Equations of Vibration
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B What is the shape of an asteroid impact on Earth?
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B Are Protons Atoms? Is It True?
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I Travel from Mars to Earth question......
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A Fluid Equilibrium Interface Shape
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I How Does Lenz's Law Relate to Magnetic Flux and Induced Currents?
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B Is Normal Force a Contact Force Despite Atomic Repulsion?
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I Exploring Photo-Sensor Measurements for Brightness Change Evaluation
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I What does the 2.3 constant in e^Q/2.3RT come from?
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I What does jounce help us to do in physics?
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B Determining ansatz for forced oscillations in SHM
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I How to Assign Initial Conditions for Binary Star Systems in a Simulation?
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I Visualization of fields in waveguides
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I Proving Gauss' Law using a Cubical Surface
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I How can we quickly locate an avalanche victim using technical tools?
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A Converting JJ Thomson's q/m Units to Modern Standards
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I I don't get Poisson's equation
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I Understanding the Concept of Recoil in Relation to Momentum and Force
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B Can anyone explain Pascal's principles?
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I Why does a paper roll unwind in jerks?
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I Quantifying deformation of a shape
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I Eigenvalue Problem -- Justification
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B Does Force Become Infinite on a Donut-Shaped Planet?
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Higher Gain for PMT: Does it Really Improve SNR?
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B Stratified Flows: Definition and Physical Meaning
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I Why is this equation used to much to describe Waves?
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A Synchronization from dissipation?
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I Intermediate Axis Theorem - Intuitive Explanation
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B Expanding Space in the Lab: Investigating the Possibilities
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I How to make something independent of the coordinate frame?
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B Does d'Alembert Principle Hold Without External Forces in a Galactic Frame?
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I Why do bubbles coalesce in liquids?
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I What is the smallest angle of incidence necessary so that TIR occurs?
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I How is graded index fiber made ?
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B Understanding Stress Transfer in Pin-Tied Stone and Wall Interfaces
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B What are the general calculus concepts used in classical physics?
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Stars: Light from the Past, End in Sight?
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B How to tell if a quantity is defined as a derivative or a ratio
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I General solution of harmonic oscillations
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I How do I calculate the expected Gain?
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I Cylinder supported by two rollers
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I Isentropic Process, General Results for dU and dH
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B MRI vs Color X-Ray Technology: What Are the Differences and Benefits?
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B What does a rocket push against?
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I Details in calculations from 19th century astronomy
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I Rubber band and a Merry Go Around
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Force Needed to Push Bodies in Space: 100kg vs 1kg Mass
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Why objects appear smaller as the distance increases?
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B NASA: Hurricane Anatomy - Understanding Angular Momentum & Air Motion
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I Conflict of domain and endpoints in Noether's theorem
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I Rocket Thrust: Power Your Launch Into Space
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I Need advice on vacuum / suction experiment
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B Hypersonic aircraft shock layer color
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B How does this osmotic system reach equilibrium?
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I Eotvos Exp: Gravitational v Inertial Mass Equivalence
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I Why is hysteresis loss proportional to area hysteresis loop ?
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B Calibrating measurements from scratch
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I Am I crazy or is my book wrong?
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B Do multiple WiFi devices create areas of high EMR?
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B Gram-Schimidt orthonormalization for three eigenvectors
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B What is the definition of angle?
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A Signal Processing and the Duffing ODE
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Relation between spin dephasing time T2* and spin relaxation time
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B Calculating Stress on Car Motors with 4 Wheels
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B Gaining Perspective on Valid Digits in Physics Problems
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I Condition for delta operator and total time differential to commute
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I What distinguishes pressure from normal stress in bird transport phenomena?
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I Is Apparent Mass Loss Due to Air a Factor in Measuring Object Mass?
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B What is the meaning of the word "resolved"?
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I Difference between stationary and steady state
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B Normal force of a body over a circular bridge
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I Physical model of the roulette wheel
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I Why a massive body is easier to break than a tiny body?
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