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
F=m*a - Mindthinking gone wrong.
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Some problems in electic field
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Hole in Parachutes: Why is It Necessary?
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Contradiction regarding capillarity
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Gravity: Is it Always the Lightest Body Moving?
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Stress forces on a cubic case due to a vacuum
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How to go from rpm to hp or W.
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Expelled rocket fuel pushing against something the rocket is attached to?
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What Causes the Sensation of Weightlessness on a Ferris Wheel?
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Understanding FFT Power Spectrum, Phase and Magnitude: Clearing Doubts
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B and H field concept question (saturation)
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Virtual Displacement: Definition & Meaning
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Orthogonality of Legendre Polynomials from Jackson
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Why Does a Standing Truck Not Move When Pushed by a Boy?
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SHM- Problem with negative signs
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What happens when an object is placed at the focal point of a convex lens?
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Calculate useful energy output ?
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Rainbow Shape: Why Is It Always an Arc?
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Battery draining in resistive circuit
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A Direct approach to Kepler's Orbits
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With regards to wave functions
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Would a Hot star have more mass than a cooler one?
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Optimal Speed for Transversing Rain: Why?
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I don't understand q = mc delta T
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Field in a superconducting torus
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Compressive force between objects
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Is there any quantity in physics that has the unit kg^2 in it?
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Stability of Bicycles: Why is it Easier Moving?
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How Do We Derive the Transmission Line Equations Using Differential Methods?
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Zigzagging Up an Incline: Does It Help or Hinder Cyclists?
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Vacuum permittivity as a fundemental dimensioned unit
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Understanding the Nature of the Electromagnetic Field: One or Many?
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Why is there no sonic boom when shooting an air rifle at 1400 feet per second?
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Fluids question - Pump flowrate ofdue to elevation head
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Does a straight non-time-dependent E field create a circular B field?
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How Is Newton's F=ma Formula Derived and Understood in Physics?
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Why the first fringe is the biggest and brightest one?
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Energy of Wave: Does Amplitude Affect E?
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SI: Why relying to such a definition of a kilogram?
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Gamma decay and its energy level
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E field difference between planar conductor and infinte sheet
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How Do Harmonics Work on a Guitar String?
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Why Does Strumming Force Not Alter the Pitch of a Guitar String?
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Properties of an ondulatory movement
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Vladimir G Ivancevic, who is he? credible?
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Placement of Reaction Control System on a Spacecraft
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Is 100% rigid object theoretically possible?
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Effect of lunar/solar gravity on shape of earth
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What is luminance and how is it used in optics and vision science?
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Adiabatic expansion of real vs ideal gas
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Gauss' Law for finding E between metal plates
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PV^K = C; K is always the same for a given gas, is the same true for C?
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Weird ideal gas equation question
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Hertzian Dipole and finding its orientation
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Banked Curve Train Condominium on Mars
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Why do Spherical Non-Oscillating Bubbles Dissolve in Saturated Liquids?
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Adiabatic Expansion of Gas: Does the Number of Moles Affect the Calculation?
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Cycling: Benefits of Standing Up on a Hill
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Why is T = 1/f in Simple Harmonic Motion?
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Wind Physics and Gravity Batteries
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Derivation of resonance fixed-fixed beam
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What Happens to a Bird's Weight in an Open Cage?
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Angular Momentum: Earth vs Geo-Stationary Satellite
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Acrobat Landing: Can It Be Done?
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Bicycle Stability: Moving vs. Resting
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Unusual Golf Ball Behavior: Investigating an Unexplained Force vs Distance Graph
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How do we know the Hamiltonian is well-defined
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Why Can't You Stand On Your Toes Facing a Door?
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Is it impossible to stand without leaning in a straight backed chair?
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Measuring Electric & Magnetic Fields: Uncovering the Mystery of Gauge Potential
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Research ideas for a high school student
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Banked Turn Equation Discrepancy
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Is Power Balance a Valid Criterion for Oscillating System Stability?
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Plane waves: sign of Re(ε), Re(μ) in passive media, attenuation angle
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What are relation between unique describe of world and covariant law?
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Building Spectrometer: Signal Level, Footprint & Resolution
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How does the normal force change when performing different movements?
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Switch ratings conversion from AC to DC
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Wilson's GF Method (molecular vibrations)
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Formula for RLC circuit amperage
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Centroid of an object in a fluid
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Calculating Kg Force for Generating 1 Watt of EMF in Magnetic Generators
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CCD measures intensity prop. to z-component of C-Poynting vector OR |E-field|^2
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Terminal PD vs EMF: When is PD Greater?
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Inverse square & cube laws for various geometries
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Conceptual quest on standing wave
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What condtions u need for zero gravity state?
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What is the justification for the variation of the Lagrangian in an action?
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Doubt in Ammeter: Shunt Resistor or Inductance?
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Notation for Vectors in Different Bases
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Quad Thrust Fuel Transit Drive
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Combining Quarter-Wave Plates: Effects & Differences
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Frequence of resonating wine glass
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Why do streamlines converge when water flows down?
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Where does this equation come from?
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Calculating Centre of Mass and Centre of Gravity for a Humanoid Robot
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Gyroscope doubts. Please answer
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Eliminating the Euler Angle singularity without quaternions?
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Why can some forms of energy be relative?
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