Mechanics Forum

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High School What is the definition of center of mass?
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Undergrad Want to know what is the best in terms of friction
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Graduate [Difficult] Gas Dynamics Situation
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High School How do I calculate the work done against gravity?
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Undergrad Conservation of momentum and net force
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Undergrad Relationship between stress and density
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Undergrad Artificial gravity ship: Floor?
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Undergrad Motion vs Inertia: How Physicists Determine Inertia
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Graduate Falling under gravity with decreasing r
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Graduate Collision of Uniform Smooth Spheres: Finding Coefficients of Restitution
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High School Can colored gas help us see sound waves?
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Undergrad Why Does a Projectile Create a Trailing Mach Cone?
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Graduate Velocity of two different species in a gas with propagating sound wave
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Graduate Derivation of Potential Energy for Multi-Particle Systems
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High School What exactly happens when the area is reduced? (forces & pressure)
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Graduate How to Handle Constraints in Lagrangian Mechanics?
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Undergrad Falling stick(s) - initial force not equal to gravity?
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Undergrad Rifle with one barrel and cartridge in middle
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5
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Undergrad Gravitional Force On Composite Body
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7
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Undergrad How Do You Calculate Forces and Sums with Uncertainties?
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4
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Undergrad Calculating max velocity of car
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Graduate Sound and supersonic motion - a question from Feynman's lectures
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6
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Undergrad What is the relationship between tension and net force in Atwood machines?
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High School Effective spring constant of two springs latched headon
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Graduate The net force and centre of gravity of a one dimensional object
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High School Frictionless incline and required force
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Graduate Accurate position change for accelerating objects
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High School Help needed to convert angular velocity to angular acceleration
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High School What are the forces acting between two masses?
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Undergrad Any one have a diagram of the idea column shape.
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High School Friction & Gravity: Relations & Independence
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High School What is Gravitational Potential and How Does it Vary with Distance?
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Undergrad Why does shuttling ball travel faster if plates are closer together?
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High School Why do collisions cause more pain than forced movement?
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Undergrad Work Done: A Mysterious Case Of a Floating Ball
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Undergrad Work-Kinetic Energy Theorem Applicability
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Undergrad Ring moves on curved path faster
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Undergrad What is the effect of multiple forces on a 2D rigid rectangle?
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Undergrad Finding the moment of inertia of a 2D polygon.
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High School Why there is no force acting in an object with constant velocity?
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Graduate Average relative velocity in calculating mean free path
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Graduate Wing pitching moment ( torque not around cg ) - head hurts
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Undergrad So, a weird question about water and oil separation
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Undergrad How will objects roll in the absence of friction?
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Undergrad What is the equal amount of force acting on both Earth and the Moon?
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Undergrad How are non-contact forces possible
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Graduate Classical Mechanics of NonConservative Systems
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Graduate Motion of Reference Frames wrt each other
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Undergrad Can Different Pulley Radii Achieve Accelerations Greater than Gravity?
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Undergrad Energy and conservation of momentum confusion
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Undergrad Audio Source Moving @ Supersonic Speed
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Undergrad How does gear system amplify force?
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High School Why Does Inertia Affect Movement of Coin on Paper?
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High School Work against gravity confusion
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Undergrad Continuity equation and air flow
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Undergrad How Do You Calculate Terminal Velocity Involving Drag?
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Undergrad Does circular swinging increase the distance of a throw?
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Undergrad Rotational energy conservation
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Graduate Reference frame for analyzing ball rolling down incline
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Undergrad Pendulum connected to pulley system
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Undergrad Why Do We Derive Energy Functions to Find Force Components?
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Undergrad Does 200 Foot-Pounds of Work Require More Work?
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Undergrad Coefficient of friction question
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Undergrad Understanding Work in Physics: Misconceptions and Correct Approaches
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Undergrad How Does Energy Relate to Work in Physics?
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Graduate Force acting on bob of Foucault's pendulum
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Undergrad Gravity Field Measurment / Refresh Rate of Sensors
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Undergrad How do rockets attain high speeds?
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Graduate Real gravitational potential energy to kinetic energy
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Graduate Constrained Lagrangian equetion (barbell)
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Undergrad Problem with energy conservation of mgh and 1/2 kx^2 (spring)
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High School Terminal Velocity of rain drops
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Undergrad Does Inhaling Air Increase Your Weight on a Scale?
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Undergrad Moment of inertia of combined cylinders
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High School Staying at rest or moving at a constant velocity
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Graduate Uniqueness of Acceleration: Understanding Landau's Mechanics
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Undergrad Will this rotate like a Foucult's pendulum ? Why not ?
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Graduate Involute curve in bevel gear teeth
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Undergrad Reynolds number and its relation to laminar and turbulent flow
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Undergrad Linear and Angular momentum of a rolling object
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Undergrad Collision of a sphere into a cluster of spheres (billiard balls)
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Undergrad Buoyancy Situation Doubt - Archimedes Principle
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Undergrad How Does Collision Type Affect Energy Transfer in Toy Car Experiments?
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Undergrad Calculate the total available energy from a water stream by use of a t
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Undergrad Car with a Balloon: Path of Balloon While Turning?
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Graduate Understanding the Navier-Stokes Equations: Conservation of Momentum and More
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Graduate Dual harmonic oscillators connected by shear spring
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Graduate Slipping Sphere on Steep Incline
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Undergrad Momentum of this rotating gear?
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High School Friction - exists in a vacuum?
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Undergrad When do the park brakes need to be applied=f(critical inclined angle)
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High School Mass gets cancelled out on downhill slope
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High School Is acceleration related to distance traveled?
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Graduate How to use ballistic coefficient (SI units)?
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Graduate Potential of Brownian particle
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High School Gravity's Acceleration and its Effect
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High School Questions on Vectors: What Method is Used for 2D?
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Undergrad Is it possible for human powered hot air balloon?
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High School Calculate Balance Point Distance: A, B, C & D
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Undergrad Blacksmith needs counterbalance help.
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