Mechanics Forum

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Undergrad What is the tension in the cord while the mass is falling?
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Undergrad Is the derivative of a vector perpendicular always?
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Undergrad Area under v vs t sinusoidal trace
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Undergrad Rotational speed due to gravitational pull in earth's orbits
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Undergrad Solving Variable Velocity Water Pouring Problem with Calculus
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Undergrad Is all motion really the result of fundamental forces?
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Graduate Apollo Spacecraft Re-entry Program
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High School Principle of Moments: Restoring Forces Explained
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Undergrad Angular momentum and kinetic energy
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Undergrad Initial Velocity before impact
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Graduate Non-uniform circular motion vectors
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High School Work Against Gravity: Understanding Force and Energy
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Undergrad Zero Momentum in Elastic Collisions
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High School 2 Reactions of 2 objects are not at equilibrium
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Graduate Fluid Mechanics: Incompressible flow and pressure
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Undergrad Does rotation of rigid body need a couple or only 1 force is sufficien
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Graduate Force exerted on the pivotal pin of an oscillating object.
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Graduate Interpreting the Wave-Number in the Formula for Group Velocity
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Graduate Virial Theorem and Energy of a Two-Body System
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Graduate Sound waves versus equilibrium
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Undergrad Frame of reference in a simple harmonic motion vertical spring
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High School Is this correct regarding the displacement?
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Undergrad Can Fluids Flow from Low Pressure to High Pressure?
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Undergrad What Are Some Alternative Ways to Define Momentum?
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Undergrad Potential energy vs position graph w/ total mech. energy?
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Undergrad What affects the speed of sound - does viscosity?
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Undergrad Radial and transeverse acceleration
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High School Do objects resist acceleration when falling?
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Undergrad Gravity - Why do we Use Radius of Earth in Calculating Surface Gravity
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Undergrad Force of water running through a hose
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Undergrad Calculating displacement from acceleration
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Undergrad Maximizing Car Efficiency: Utilizing Flywheels for Rotational Motion
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Undergrad Where do i learn about brownian motion?
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Undergrad How Do You Calculate the Correct Aiming Angle to Compensate for Bullet Drop?
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Undergrad Escape energy required for an orbiting body?
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Graduate Height of Water in Straw vs. Time
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Undergrad Distance to reach terminal velocity
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High School Confusion regarding 2 dimension motion
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High School Relation between Bernoulli's theorem and aeroplanes
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Graduate Moment of inertia tensor for a laminar
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Undergrad Physics question momentum, energy, strength of steel, PSI etc
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Undergrad Falling Body Equation: Derivation & Meaning
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Undergrad What Happens When Objects with Opposing Angular Momentum Spin in Water?
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Undergrad Hot water is heavier than cold water.
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Undergrad I have a big doubt. Is centripetal acceleration linear acceleration?
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Graduate Pendulum with not homogeneous attraction
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Undergrad Tension on a rope - not a homework question
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Undergrad Initial Velocity - Projectile Motion
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Undergrad Speed of object when gravitational force acts between two object
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Undergrad Forces in Damped Forced Oscillations?
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Undergrad Calculate the moment of inertia of an object
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Graduate Force, velocity and linear momentum
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Graduate Homemade Particle Accelerator?
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High School Can a Car Flip Over Another Car at 45-50 MPH on a Dry Road?
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Undergrad Why Doesn't Centrifugal Force Act in the Direction of Velocity?
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Undergrad Intensity of sound behind a sphere
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Graduate Why Does a Balloon Fall Up in an Elevator?
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Graduate Bernoulli principle and venturi effect.
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Graduate Material explosion under pressure
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Graduate What can you tell me about wakefield plasma acceleration?
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Undergrad Speed of stationary wave in a string
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Undergrad Difference between G and gravitational accleration
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Undergrad Calculating Load for a Mini Wind Tunnel?
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High School Can Earth's Rotation Be Used for Airplane Travel?
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Undergrad Stationary waves in composite strings
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Undergrad Perfect Sphere's colliding using only vectors
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Graduate What is the optimal amount of water to use for rinsing after brushing teeth?
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Undergrad Speed of sound wave and particle velocity
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Graduate Why Does Calculating Torque Away from the Center of Mass Cause Confusion?
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Undergrad Why do we say Objects at rest tend to stay at rest?
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Graduate Inertial propulsion, possible ?
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Graduate Irrotationality somewhere = irrotationality everywhere?
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Graduate Accelerometer and calculating position, angle,time
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Undergrad Is gas pressure caused by the weight of the gas above?
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High School How exactly does momentum work?
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Undergrad Apollo 11 liftoff acceleration function
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Undergrad Calculating a theta using dot product in 3D coordinate
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Undergrad Understand F_0 & Omega in Driven Oscillators
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Undergrad Accelerate a ball bearing through a 90 degree turn
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Undergrad Static friction of masses connected by a rod
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Undergrad Angular Momentum of Multiple Particles
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Undergrad Mass times acceleration doesn't belong to a free-body diagram, why?
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Graduate Understanding the Speed of Sound in Fluids: An Explanation from Thermodynamics
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Undergrad Gravitational Potential Energy and Gravitational Field and Gravitation
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Graduate Angular Oscillator Feasibility: Masses & Curvature
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Undergrad Calculating Frictional Force: L, Lh, Lv, m
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Graduate Hamilton's Principle and the Principle of Virtual Work
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Graduate How is the torque output calculated for an engine with two cranks?
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Undergrad Does two dimensional motion imply conservation of angular momentum?
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Undergrad Tangential Speed of Lug Nut on a Car Wheel
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Graduate Behavior of water in a vacuum?
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Undergrad Angular Acceleration Problem - The Grindstone Problem
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Undergrad Is potential energy real or fictious?
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Undergrad Help with understanding an experiment with masses on a spring
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Undergrad Why Do Identical Cast Iron Crankshafts Emit Different Pitch Sounds?
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High School Solving the Mystery of Denser Ball in Water: Buoyancy & Density
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Undergrad Theoretical bullet max velocity?
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Undergrad Understanding Forces Acting on Moving Bodies
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Graduate Reducing Water Pressure (Pipe sizing)
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Undergrad What are Examples of Anharmonic Motion?
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