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
I Maximizing Flow: Understanding the Impact of Fittings on Water Velocity
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I Pneumatic/hydraulic energy storage
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B Why Does a Cube Float When Dipped in Water?
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I Can a Gravitational 'Gun' Accelerate Objects?
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I Head loss in a circuit of pump and pipes
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B Forces acting when turning a circle on a unicycle
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I Suction Cavitation in Pumps: Causes and Frequency
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I Width of Spectrum produced by a prism?
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I Amplitudes in a Michelson interferometer
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Classical Mechanics Exercises from MIT: Solutions Included
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I Calculate the distance between two cleaved crystals
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I I don't understand the derivation of the wave equation
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I Object suspended over an empty bucket
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A Calculating Indices: Solve the Mystery
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I Slackline Balance: How is it Possible?
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I What do you think about gyroscopic propulsion? possible?
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A An aqueos solution of ##M^+X^-## from Kubo's problems book
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B Is what is depicted in this fake video possible?
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I Liquid-gas phase transition: metastable mixed states?
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A Fluids and the no-penetration condition
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I Interpretation of spatially dependent convective derivative
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I Fragmentation of a drop in a miscible fluid
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B Why did the water drops bounce instead of vaporizing on the hot cooker?
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B Tug of War: Force, Equilibrium, and the Third Principle
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I Does the value of the action S have classical significance?
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B The force of the stone on the rope
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I Gravitational Force between two Rods of Mass M and Length L
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I The physics of a missile with uniform rate of fuel loss
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I First order deviation from circularity
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I Understanding Equation (2.34) in Heald and Marion: A Step-by-Step Derivation
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B Optimizing Stick Rotation in Space: Ideal Center of Mass Placement
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I Please suggest whether I should use delta or dx method.
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I Physics -- Need help understanding the concept of resonance please
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I What does Noether's theorem actually say?
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I All-fiber Mach-Zehnder interferometer
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I What is meant by "low frequencies"? (EM skin depth question)
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I Inconsistencies in classical physics
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I Problem understanding the shear force integral.
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B Do Hot and Cold Air Balloons Fall at the Same Rate?
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I What is the location of the center of buoyancy and how is it determined?
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I Why Is the Curl of a Conservative Force Field Zero?
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I Problem sets between universities
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B Conservative Forces: Internal or Not?
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I Magnus effect: Why smooth cylinders?
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I Higbie's penetration theory in a bubble
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A Total force generated in a pneumatic cylinder-piston with kn
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I Delta x in the derivation of Lagrange equation
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B Regular derivation on The Universal Law of Gravitation?
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B What causes eddy currents to form in metals?
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A A technical question about the Joule-Thomson Experiment
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I How to identify if a system exhibits chaos?
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A Can KE be reformulated using |v| instead of v^2?
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I Railgun and energy considerations
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B "Mysterious" beamsplitter cube
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A Dependence of loss factor tan(δ) upon H in MnZn ferrites
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B What Are the Key Differences Between Mass and Weight?
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Why we use relative permeability
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I What Are the Best Dimensions and Materials for High Vacuum Transparent Tubes?
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I Time-dependent mass and the Lagrangian
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B Unit Not Homogeneous: Understanding the Formula
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I The unit dyadic.A general expression for?
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Do I need to consider normal force when sliding down a pole
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I Plotting a far-field Intensity distribution
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I How Does Gravity Affect Potential Energy in Physics?
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I Calculating the Force of a Planet Using Energy and Radius
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I Instability of the Solar System
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B Effort Force for a Wheelbarrow
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I How does a faucet use the Venturi principle
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I Why are cyclic coordinates named such?
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B Telescope and Stopwatch for the Mass of a Planet
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B Explaining forces acting on gears
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I Glass Breaking -- What causes this characteristic fracture pattern?
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I Direct vs. Retrograde Precession
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I Stationary Monopole exist at the Origin
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I How do you calculate the time component of a 4-Vector
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I Chaos vs purely exponentially growing systems
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I Calculating change in length for a projection
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Proving Fermat's principle without calculus?
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A Difference between virtual displacement and differential?
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B What is the Net Force on a Banked Curve?
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I Why Is the Value of ε0 in Coulomb's Force Equation Important?
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I Limitations of Dimensional Analysis in Predicting Proportional Relationships
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I Why does intensity mean anything if there's a complex number
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I Can the Differential Pass in the Beginning Part of a Change in Vector Product?
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I Normal modes in a coupled system
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Flying objects pulling on Earth
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I Is my explanation of negative mass's behaviour accurate?
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I What does the j means in this notation?
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I Can Dispersive Media Be Modeled Effectively as Fields?
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A Symplectic geometry of phase space
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B Does Brewster's Law Apply to Opaque Materials?
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A Question on Drift-Diffusion Equation
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B What Are Reversible Machines and Feynman's Limitations?
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B Why is a wire necessary for tasers to deliver an electrical shock to the target?
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I DPRK Missle Launch, physics of
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I Can a plane escape Earth's gravity with a powerful engine and no air?
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I Difference between transient and steady state solution
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B Is Math the Key to Understanding Energy Transfer in Waves?
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B Unlocking Symmetry: The Ultimate Guide to Intuitive Reasoning
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B Measuring the number of moles of a gas
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