Mechanics Forum

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How does force change momentum?
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Derivation of the change of air pressure with height
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Elastic or inelastic collision?
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Pressure felt by a piston, Mach number of speaker making the sound
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Boltzmann distribution and the number of molecules with a certain velocity
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Boyle's Law and Applied pressure
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Power Loss in Transmission Lines: AC vs DC Comparison Explained with a Model
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SciAm article: Trapping the Tiniest Sound
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Question about net work and displacement
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Where does the energy come from in the potential difference in the Hall effect?
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How to relate the gravitational potential energy zero to the axes?
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Rotational Frame Transformations
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Can Math Model Real-World Camera Focusing Dynamics?
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Lagrange Equations of Motion for a particle in a vessel
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2
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G forces when falling - proper acceleration question
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11
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Debate over the experimental procedure for Newton's 2nd Law
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Question for anyone with Morin's "Introduction to Classical Mechanics"
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Pressure of captured air under water
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Why is there no virtual work done by a rolling friction?
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Angular acceleration of a pendulum on an accelerating train
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What causes that water kettle sound?
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19
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Why does a Polywell Fusion Reactor not generate net power?
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What is the approximate pressure at the center of a cool Earth with no gravity?
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Maximum work done by a body in an external medium
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How to Determine the Axis of Rotation
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Velocity Map Imaging: Understanding 3D Reconstruction
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What slows an object during collision, force or loss of energy?
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Newton's Law of Cooling - "k" constant
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GR & QM: When Do They Disagree?
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7
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Bicycles: Question about Energy Conservation
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Dumb question about inertia and rotational inertia
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34
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Uncovering the Motivation behind the Principle of Virtual Work
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Zero Friction on the Moon: Driving at Constant Velocity Without Air Resistance
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How to characterize a power law field?
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1
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How does inertia cause the water to stay in the bucket
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6
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Rotation dynamics, dealing with impulse and oscillation
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Equalization of velocity components and momentum conservation
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16
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What is the angular velocity in the center of a rotating disc?
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6
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Calculating Speed Between Two Cars
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Question regarding potential formulas
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Help -- I don't understand work
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30
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Finding Potential Energy for a Chain on Pulley System
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Hydrostatic behaviour - water in tube
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Finding potential using poisson's equation, not a homework problem.
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Bar hanging from two springs with unequal masses
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Why do some heats of matches go down first in a Cartesian diver experiment?
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Finding acceleration with only height and time.
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Question regarging pendulum axis and its motion
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Show PE to KE change in closed system is independent of initial velocity
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Average kinetic energy in 1 dimension according to the M-B Distribution
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Definite and indefinite integration in the definition of work
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How to get the real object speed?
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Calculating Enthalpy Change of Ice Melting in Water
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Conservation laws in Newtonian and Hamiltonian (symplectic) mechanics
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How Does Sound Behavior Change in Low Atmosphere?
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Torque of two screws at 180 degrees
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Negative pressure from vacuum to shunt a object upwards?
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Is the Earth's frame considered inertial in a moving car?
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How to determine the velocity of a gust of air caused by a falling object
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Adding Torque to a simple physics simulation
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Sinking Object Motion Equations
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Hydro Power is Actually Solar Power
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Binding energy or Kinetic energy?
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Elastic Collision: how do the forces and work done make sense?
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What happens to energy when work is done?
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Understanding Drag Force: Standard Formula vs. Alternative Formula Explained
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The bell-in-a-vacuum-jar sound experiment
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Can I determine mass & spring k from graph of wave, t, a, & vectors?
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Is it possible to calculate pressure without a barometer?
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Finding tangential force exerted by a rotating cylinder at a given point.
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Linear Momentum and the center of mass
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Integral of Momentum - Questions Answered
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Potential energy of transversal and longitudinal wave
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Relative acceleration between intertial reference frames?
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A few questions about Potential Energy
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Why Is Calculating Escape Velocity Different from Determining Orbital Speed?
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Analytical mechanics for dummies ?
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Perfect Floating Ball Illusion (inspired by Jeff Koons' Art)
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Why does a helicopter float motionless but still consume gas?
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Probability density function in classical mechanics
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How to Zip Through a Rotating Tunnel Without Bumping Into the Walls
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Internal forces and the work done by them
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10
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Radiometer rotation speed as function of pressure
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Centripetal Force: What Happens When Force Increases?
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Help Needed: Solving Homework Assignment on Beat Frequency
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AC Generator Help: Get Answers for School Physics Assignment
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Conservation of momentum in a collision involving three objects
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Mechanical Advantage for an Ebike Trailer
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Free body diagram for hinged rods
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Conservation of momentum and springs
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Centripetal force on a vehicle while cornering
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Bicycle and tackling inertia at higher speeds
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Internal and external torques.
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(simple problem) Impulse force caused by cube collision?
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Falling pole lifting off the ground.
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Is Newton I independent of Newton II?
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Speed of falling object underwater
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If this hand water pump was instead at the bottom of a well....
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Rotational inertia of a square piece of wood?
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1
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Calculate Skydiver's Velocity After 2 Seconds with k = 1/2 pCdA
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