Mechanics Forum

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High School Create an artificial eddy/tornado
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Undergrad Order of rotations: precession, nutation, spin
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Undergrad Preloading Pulleys: Understanding the Effects of Tension on Angular Velocity
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Undergrad Will the spinning gyroscope make the plumb fall slower?
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Undergrad Coefficient of rolling friction for a lab cart
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Undergrad Weightless or Heaviness Descent into Planet spaceship
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Graduate Shallow water equations evaluation
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Graduate Problem solving forces with pressure integration
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Undergrad Help with translation of terminology concerning the spinning top
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High School Why is the speed of sound used here? And is this correct?
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High School Oberth effect on a slope - experiment idea
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High School Locus if velocity component is zero
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Undergrad Precession of a gyroscope in freefall
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Undergrad Fluid force from a fluid flow vs. from a fluid jet
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High School According to Newton's 3rd Law....
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Undergrad Why Did Newton Use d² for Gravitation Law?
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Undergrad Solving a Sound Wave Equation in Physics 1: Halliday, Resnick, and Krane
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Undergrad System, potential energy, and nonconservative forces: The whole story
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Undergrad Calculating Power Requirements for a Ski Tow Rope with Friction | 18.9% Incline
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High School Why is angular momentum not conserved in this case?
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Undergrad Chain on a slope remains still if its end points are of equal height?
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Undergrad Confused about the axis of rotation in rotational motion w/o slipping
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Graduate Surface waves and vorticity in 2D
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Undergrad Water Tank Overflow Air Piston concept/question
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Undergrad How do canonical transformations relate to Hamiltonians?
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Undergrad Dinosaur question -- Was Earth's gravity lower in the past?
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Undergrad Potentials of conservative forces
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Undergrad Rate of change of ##L## in a rotating coordinate system
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Undergrad Conservation of KE, wedge striking ball
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Undergrad A proof of Archimedes' Principle
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Undergrad Lagrangian mechanics - generalised coordinates question
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Undergrad In Freefall orbiting Jupiter versus Earth
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Graduate When KE is a function of position
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Undergrad Confirm 6ft Tall Boy Throwing Tennis Ball 🎾 in Gym
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High School Conservation of momentum in a closed system
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High School A Doubt from Halliday Resnick Krane
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High School Resultant force in vertical circular motion
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Graduate Is Counter-Steering the Only Way to Change Direction on a Motorcycle?
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Undergrad Galilean transformation of non-inertial frame
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High School How do mechanical (weighing) scales work?
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Undergrad A little clarification on Cartesian tensor notation
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Undergrad How can I calculate the time for non-uniform acceleration in a circular path?
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High School A question from Resnik about g-force
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Undergrad How can you make a free body diagram for someone running then sliding?
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High School How is 1N enough to move a 0.1kg apple 1 meter high?
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Undergrad Hydrodynamics - Wave of Translation
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High School Colliding balls: Conservation of momentum and changes in kinetic energy?
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Graduate Change of a vector in a rotating coordinate system
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Undergrad Energy input\losses for a cyclist accelerating from a standing start
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Undergrad Solving Sub-Problem for OpenAI Lunar Lander v2: Seeking Advice
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Graduate Bernoulli, lift and cause & effect
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Undergrad Normal force and details of the Earth holding up an object
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Undergrad System, potential energy, and nonconservative forces
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Undergrad Why does a Pressure Washer clean better than a Garden Hose?
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Undergrad Does Escape Velocity depend on a rocket's direction away from Earth?
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Graduate Take your time, and feel free to ask if something is still unclear.
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Undergrad Gravitational Illusions -- Two balls rolling down differently-shaped ramps
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Undergrad Is my calculation of the power spectrum correct?
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Graduate Rotation matrix and rotation of coordinate system
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Graduate Exploring Infinitesimal Rotations in Classical Mechanics
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High School Vector of forces (question about how a scale works)
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High School What Happens When The Applied Force Equals the Static Friction Force?
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Undergrad Dimensional confusion with a Lagrangian problem
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Graduate Ambiguity in sense of rotation given a rotation matrix A
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Graduate Matrix proof of Euler's theorem of rotation
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High School Calculating the torque needed to rotate a drum
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Undergrad Why Is Moving Backwards on Skates Challenging for Humans?
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Undergrad Help Regarding Application of Bernoulli in a Boundary Layer
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High School A "no hands" rule for the cross product (requires literacy)
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Undergrad Bernoull's Equation Derivation From Work - Energy Principle
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Undergrad Solving 2-Body Problem w/ Lagrangian: What Substitutions?
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Undergrad Steam flow rate in 2-chamber steam engine system
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Undergrad Friction Coefficient of Marble & Iron on Plastic
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Graduate Hooke's law, Bertrand's theorem and closed orbits
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Undergrad Proving Galilean Transformation for Inertial Frames
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Undergrad Analytically Solving the Magnus Effect with Viscosity in Ball Flight Simulation
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Undergrad Work - Energy Principle Application to Fluid Flow
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High School Why is Julius Sumner Miller saying Torricelli's law is not correct?
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Undergrad Work - Energy Principle Application to Fluid Flow
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High School Independence of vertical and horizontal motion
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High School Work done by a constant Force: questions
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Undergrad Calculating Torque for 100 Ton Steel Tube Press
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Graduate Why must β be a consistent rational number across all circular orbit radii?
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Graduate Two equations of generalized forces
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Undergrad Apollo 11: Torque & Thrust of LM RCS Systems
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High School Why doesn't a body accelerate upward when a force is applied?
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Graduate What's different in a transformer core when coupling high & low power?
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Undergrad Kinematics cases with non-constant acceleration
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Undergrad Modeling a (rotating) mass impact on a preloaded (rotational) spring
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Undergrad Proving that ##\omega_0^2 < 2g/l ## for a simple pendulum.
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Undergrad Acceleration through curved paths
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High School Terminal Velocity Equation in vertical cylinder with some fluid
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Graduate When is Hamilton's principle valid?
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Undergrad Maximum impact parameter given effective potential
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Undergrad A coordinate representing rotation about a variable axis and ##T##
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Undergrad Adhesive Collision: Coding for Sticky Objects
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Undergrad Kinetic energy depends on ##\theta## but this argument says otherwise
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Graduate Cyclic coordinates in a two body central force problem
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High School Finding Gravitational Acceleration
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High School E.P.E. -> ? when 2 masses are attached to a spring
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