Mechanics Forum

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Bounce Height: Light vs Heavy Ball
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Angular momentum in a collision
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Are *two* external forces always required to cause rotation?
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Air pressure stays the same or increase?
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Calculate Flow Rate From Pressure at Two Points?
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Lagrangian mechanics: sphere inside a cylinder
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Tangential and centripetal acceleration
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How do I model the motor in this free body diagram problem?
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Why is it so much easier to lift a spinning gyro than if stationary?
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Three Phase Generator: Knowledge Sharing
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How can you accurately find the initial velocity of a toy gun?
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Is Energy Being Conserved in This Almost Paradox Scenario?
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Perception of far object that is in motion
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Answer Total Work Question: Understand Why Total Work is Zero with ΔPE
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Can all matter be potentially annhilated?
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Is Extra Force Needed to Lift an Object Against Gravity?
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Why water become thinner when falling?
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Conceptual problem regarding pressure and surface area
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Displacement in Conversation of Energy on Incline vs Projectile
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Bernoulli equation application
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Physics principles and animal locomotion
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Changing the Direction of Work
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A question about a rotating space structure
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Rotational Mechanics: Tension Difference in Pulley Due to Friction
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Wave Motion: Why Does Particle Lag Behind its Predecessor?
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Gravitational Potential (problems with definition)
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Does driving a car affect the Earth's rotational velocity
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Shape of Projectile: Elliptical Equation
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Need help with deriving air drag equation
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Calculating the velocity decrease going up an incline
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Water Density & Volume: 0-100°C
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Motorcycle cornering force on each tire?
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3
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5K
Please help, conceptual motion of a transverse wave on a string question
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Why does water flow faster through a hose if its choked?
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Forces and motion -- a monkey lifting a package up with a rope over a limb
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Rolling Friction: Why Wheels are Used on Solid Surfaces
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Why does the pressure of a fluid in motion change?
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Understanding Conservation of Energy in a Block on a Rough Surface System
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Work done by external force on a system
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Bernoulli Principle and fluid velocity
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How do the W and Z Gauge Bosons work in the weak nuclear force?
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In what circumstances does a gas do positive work?
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Two errors about rotations in Goldstein's "Classical Mechanics"
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Coriolis Force and the Earth's Rotation,
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Osmotic Pressure within pressure vessel
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Voltage Output from AC Generators with More Loops
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How Can I Safely Obtain a 250v DC Power Supply?
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Total acceleration at the bottom of a rolling wheel
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Bead sliding on a rotating rod
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Average velocity, me understand
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Total angular velocity of multiple bodies
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Double rotation, friction and sum of energy
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Is a shorter lever arm more effective in generating angular acceleration?
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Violation of energy conservation law?
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Why does a bike not fall over when it's in motion?
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What is an example of a proper rotation in physics?
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Relation between acceleration, mass, and net force.
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Why is the motion of a piston considered to be simple harmonic motion?
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Why does measuring the position of a particle change its momentum?
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Conservation of energy in the LHC
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Why does it take more fuel to accelerate a body to a higher speed?
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Force components of hanging pith balls
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Mass, Energy & Inertia: Impact of Trapping Energy in a Box
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Implications of Work-Energy Theorem
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Kinetic energy physics exercise
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Relative angle between two balls with equal mass after collision
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Trying to understand Work and Energy
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Inertial vs Gravitational Mass "mystery"?
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Why does superfluid helium in a spinning bucket have angular momentum?
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Why is angular momentum conserved?
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Why Does an Accelerometer Show Zero During a Ball's Flight?
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Potential Energy -- What are the different ways it can be stored?
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Information transmitted at speeds greater than C
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Negative work on a moving body
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What is the Top Speed of the Megaladon?
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Calculate the speed with which a gas escapes from a container?
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What is the name of the fourth inertial force in a rotating 3-dimensional frame?
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Can Hurricane Pressure Cause Roof Damage Like It Does to My Skin?
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Torque vs Centripetal Force: What's the Difference?
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Vibration/Centrifugal Force Question
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Galilean Relativity & Kinetic Energy
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Europan water pressure, how does the ice contribute to the pressure?
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Mathematical background concerning classical physics/mechanics.
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Confused about Boyle's Law, Charles' Law and the pressure Law?
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Confused about force and work in 3 Dimensions. Line integrals.
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Understanding Centripetal Force & Friction
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Kinetic energy of a disk that turn around 2 axis
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Unequal tension of a rope in a pulley system
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Cube Projectile Motion: Air Resistance & Cross Sectional Area
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Can I Accurately Measure Bike Wheel Radius with a Rotating Sensor?
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Drag Force from Cable: Calculate & Understand
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Conceptual understanding of moment transfer for bouncing ball
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Calculating total kinetic energy of a car at a given velocity
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Rotational Kinetic energy of a Hypothetical Planet?
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What quantities are used to measure potential energy and forces?
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Energy-Momentum tensor components for complex Klein-Gorden field
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Conceptual angular momentum question
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Bat Hits Baseball - Force & Time Calculation
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Will cars with different mass make a loop in a tunnel with same given velocity?
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Conservation of momentum and energy problem
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