Mechanics Forum

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High School Having trouble with Pulleys and FBD's(not homework)
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Undergrad What is centripetal acceleration?
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Graduate A question about mechanics and generalized coordinates.
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Graduate Collision of a Bee and Train: Reversing Direction without Zero Velocity
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High School Do All Forms of Energy Fit Into Kinetic or Potential Categories?
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High School Build a balloon powered vehicle
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Undergrad Period of oscillation for a mass on a spring
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Undergrad Is a point (x distance from earth) inertial frame ?
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Undergrad Is There a Limit to Human Force Generation?
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High School How to calculate the water pressure?
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Undergrad Two Identical Springs in Parallel: Why Stiffer?
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Undergrad Toricelli's principle and fluid flow
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Graduate Billiards rotational friction (side spin)
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Graduate Van de Graaf Accelerator question
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Undergrad Artificial gravity in a rotating wheel
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High School How do reflectors in auditoriums improve sound quality?
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High School Two cars traveling toward each other question
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Undergrad Why does the ideal gas state equation fail at high pressures for real gases?
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Undergrad Is the Energy Released in LHC Collisions Sufficient for Particle Generation?
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Undergrad Maximizing Liquid Surface Area: No Work Required
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3K
Undergrad Calculating Force of Gravity at Different Elevations with a Robot
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4K
High School Pulley Constraints: How to Carry Load Easily
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Graduate Rotating mass in vehicle drivetrain ?
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High School What does it mean when a problem says massless pulley?
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Undergrad Help with air pressure/volume in an air cannon
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High School Why Doesn't a Tennis Ball Thrown Up in a Moving Car Land Behind You?
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Undergrad Where Can I Find Realistic Water Isotherms?
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High School What is acceleration in tennis and velocity?
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High School Friction and cars (or any traveling thing)
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Undergrad Why Does Accelerating a Body Require Twice the Energy You Get Back?
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Graduate Wing-in-ground-effect aircraft question
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Graduate Newton's kinetic energy vs Planck's Energy?
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4K
Why does ultrasound cause pain?
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Undergrad Understanding Work in Falling Bodies: Gravity, Energy, and Convention
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Undergrad Max Power transfer Mechanically?
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3K
Undergrad Ball starting at rest down a frictionless incline
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High School Initial velocity of a snowmobile collision
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Undergrad US Physics Olympiad qualifying exam (Mechanics)?
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15K
Undergrad Calculating speed of boat by sail alone
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Graduate Motorcycle/Rider simulation. Problems controlling oscillations.
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Undergrad Projectile Motion: Finding Angle and Displacement in x Seconds
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Graduate Three-Body Problem with Symmetry: Finite Masses and Spring Constants Considered
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Undergrad Pre-parachute air friction equal to post-parachute?
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Graduate Can Complex Network Physics Revolutionize Systems Biology and Other Fields?
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Graduate Hot water / cold steam interaction
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Undergrad Upside down falling body problem
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Undergrad What is the Angle of Repose for Granular Materials?
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Undergrad Impact and Damage from falling from a bridge into water
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Undergrad What is the Moment of Inertia for a Hollow Torus?
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Graduate What is the Paradox of Momentum Flux in the Kinetic Theory of Gases?
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Undergrad Calculating Car Speed for Jumping Railroad Tracks
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Undergrad Calculating Force to Lift Cuboidal Object in Water: 1.1 Kg
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High School Liquid Pressure: How Does It Exert Pressure?
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Undergrad Solved Physics Problem Book I.E. IRODOV: Q1.315 - Velocity at Point 2
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Undergrad Understanding Classical Torque
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Undergrad Linear Velocity, linear momentum, and agular momentum
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Graduate Solving a Complicated 2D Rotation Problem: Seeking Answers
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Undergrad Projectiles: Hitting x and y with initial height given.
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High School Potential Difference: Definition & Calculation
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Undergrad Pressure due to an elephant and atmospheric pressure
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Undergrad Measuring Force/Impulse for Football Helmets Collisions
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High School Force graphs and stress-strain graphs
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High School Does friction in any way increase when the surfaces get very smooth
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Graduate Help with E/M Potential using Laplace Solution
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High School Confused about Spring PE Formula: Hooke's Law vs. 1/2 kx^2
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Graduate Dillute solution chemical potential
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Undergrad Friction - why not conservative force?
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Undergrad Can Gravity Propel Runners Forward?
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Graduate Gravitational Motion of Masses on Polygons: n=8 to ∞
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High School Comparing Effort and Work: Lift/Push 1kg and 2kgs, Distance of 1 vs 2 Meters
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Undergrad Feynman Turnscrew Example Question
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Undergrad Calculating Acceleration of a Block Going Down a 37 Degree Ramp Without Friction
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High School Does Applying Excess Torque to a Wheel Cause It to Slip?
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High School Can Any1 tell me why kienetic energy is equal to both m.v[SUP]2[/SUP] and 1/2
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Graduate Angular momentum: disk with point mass on the edge
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Undergrad How to calculate radius of the wheels to overcome the obstacle?
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Undergrad Determining static equilibrium this way?
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Undergrad Why aren't we heavier during the day?
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High School Understanding Weight vs. Mass: Clarifying the Debate
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Undergrad How does a calibrated Hall Probe work?
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Graduate What is the Cv for water at different temperatures?
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Undergrad Classical Mechanics: An introductory course
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High School Why is the spring constant changed
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Undergrad Is Excessive Buoyancy a Problem for a 4m x 4m Floating Platform?
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Undergrad Discrepancy in the spring constant using force vs energy
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High School Visualizing Liquid Pressure: A Diagrammatic Guide
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Undergrad Why Does Initial Velocity Not Affect Vertical Distance Travelled?
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Graduate Transient Response of Straw Filling with Water
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Undergrad Why We Rattle Things That Are Stuck?
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Undergrad Calculate change in air pressure (Physics 101 type Q)
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Graduate Rotational energy of diatomic molecule
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Graduate Flywheel Momentum Exchange Through Gear
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Undergrad Solution of the Two Body Problem
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Undergrad Conceptual problem with definition of work
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Undergrad Unravelling the Mystery of Wind Damage and Kinetic Energy
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Undergrad Newton's 2nd Law conceptual problem
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Cellphone power adapters consolidation
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Undergrad Which way does the force of friction point on a turning cylinder?
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High School How does a metal detector work ?
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Undergrad Conceptual Problem with Thrust
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