Mechanics Forum

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Observed speed of pitch different than catcher's view?
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How is the momentum conserved inside of a fluid?
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Why momentum is conserved for a jet of fluid?
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How does a hollow fiber membrane work to filter water?
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Ballistic Lenz's Law: Magnet Induced Current in Copper Tube
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Work done due to static friction in a boat-man system
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Does Compressing a Spring Decrease Its Potential Energy?
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Is Gas Pressure in a Weightless Environment Mainly Due to Particle Collisions?
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Tangential and centripetal acceleration in circular motion
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Force, mass, acceleration, kinetic energy
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Direction of momentum transfer?
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Why does the equation for elastic collisions work like this?
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Why do some devices work for a short time after unplugged?
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Why pressure decreases with increase in velocity
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How does this hoverboard work?
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6
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Conservation of angular momentum in a two ball collision
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Position vs. time graph and the derivative
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Programatically measure air pressure within a piston
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Speed vehicle travelling on impact
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Speed,mass,energy and a question.
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Vacuum infusion bag - can external pressure help?
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Why does adding more pulleys increase the force on a block?
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Going beyond solar system with high speed
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Do objects in circular motion also *have* to undergo rotation?
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How does drag force change the maximum height of projectile?
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Finding length of an arc produced by projectile
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How Much HP Needed to Reach 300 MPH in a Nissan 350z?
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36
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Orbital angular momentum wavefront velocity
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How fast would a car be going to throw a 50lb object 38ft?
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An odd question regarding Bernoulli's Principle
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When exactly does error -> zero in calculus-based mechanics?
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Saw this at work -- an air bubble trapped right under the water stream
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Random question regarding centrifugal force.
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Why isn't there any friction in magnet trains?
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Why Is the Center of Newton's Rings Dark?
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Solving Preloaded Springs w/ Mass: Can Force Overcome Preload?
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Unraveling the Mystery of "Floating Rule" in an Experiment
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Why does friction act in the normal direction
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What speeds could a maglev train reach in a vaccum?
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Friction of a box pushed against a wall using 200N
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Gravity at relativistic speed
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Calculating inertial moment of a disk
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Back pressure on a pipe by squeezing it shut
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23
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What absorbs impact better, hard plastic or silicon?
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10
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The Bernoulli principle from the perspective of statistical mechanics
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Water in capillary tube and friction
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11
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Physics Egg Car Project Tips: How to Safely Transport an Egg from a 1m Ramp
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Understanding Work and Kinetic Energy: Examples and Calculations Explained
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Strength of springs - length of travel vs tension weight
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Increasing car efficiency by rerouting airflow?
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Blackbody and gas molecule speed graphs look similar. Why?
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Can propane/air mixtures be safely ignited at extremely high pressures?
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Work done on brakes vs kinetic energy lost by vehicle
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How does a simple balance scale work?
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Kinematics Equation: S = Ut + ½a t^2 - Why "s"?
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Bike vs. Skateboard Acceleration (downhill with no pedaling)
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Two ways of calculating speed?
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Should I consider Linear Kinetic Energy in this Equation
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Derivation of Rocket Equation Using Relative Velocity
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Solving Treadmill Friction Problem for VR Build
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Does a rod rotate under gravity?
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13
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Rocket equations of motion w/ drag and gravity
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Confusion about angular speed and angular acceleration
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5
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Weight and the Archimedes Principle
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Does pressure affect the shape of water drops according to Gibb's phase rule?
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Rotational Motion - Understanding the Idea
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Flexible Pipe Motion: Explained
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2
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What Happens to Kinetic Energy in Inelastic Collisions in Space?
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How will the two balls move after the collision?
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How Fast Does Air Escape from a Pressurized Container?
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Statistical Mechanics -- many copies of a canonical ensemble
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Air volume in the tank, volume vs pressure
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Where the Angular Velocity Vector Coming From?
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Gas Law applying to air vs water vapor
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Would greater flow take precedence over velocity in pressure
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Flywheel Inertia: Calculating Mass & Radius
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31
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How can Bernoulli's principle help explain pressure changes in fluid dynamics?
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6
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Dynamics of pumping fluid into a cylinder with an air hole?
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4
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How does water escape the pot?
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2
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How does the luminosity equation work?
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Underwater Propulsion: Pumping Out Water for Acceleration
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Air velocity inside a pipe (natural convection)
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Minimum tangential speed for orbit
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Momentum-Determining External Forces
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Thoughts on Newton's Bucket and the relativity of rotation
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Whacking a golfball down a marble corridor
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Average Speed and Average Power confusion
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Why does external pressure on a liquid increase vapor pressure
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1st, 2nd and mass moment of inertia
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Change in internal energy during water vaporization
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Question about rolling friction
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Why does the head have it's own inertia during whiplash
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How to measure the impact force of a moving object
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Constrained Falling of three balls
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Dish soap and water evaporation
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Can a sound wave be transverse?
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Reducing water molecular cluster--what?
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Commutator of position and momentum
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Explanation of how spin art machine works
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4
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Thomson's jumping ring: Why net repulsion?
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