Mechanics Forum

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Undergrad Direction of radial acceleration
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High School Explaining usefullness of displacement and velocity
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Undergrad Query regarding to the state of frame of reference for the ball
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Graduate How Do Voltage and Frequency Affect AC Power Supply in Schering Bridges?
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Graduate Calculating Wasted Energy: The Efficiency of Force Applied at an Angle
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Undergrad Speed, Velocity, Acceleration, etc. at t=0
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High School Velocity versus Time Graph help?
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6
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Undergrad Forces involved in a 'tug of war'
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High School Propellers in a Tunnel: Benefits & Noise Suppression
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Graduate Mass m and table ( how big Q I'm pushing )
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Undergrad Units square root of a Newton
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5
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Graduate Recombination time for ionized atoms in a low pressure gas?
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Undergrad Elastic vs inelastic collisions
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2
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Undergrad Escape velocity of an artificial satellite
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12
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Undergrad Pinball's "Live catch" defies physics
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10
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High School What does the "r" in the formula F = - GMm/r^2 mean?
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11
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High School Is Average Speed a Scalar quantity?
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3
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Undergrad Earth-Moon System: Confused with Momentum?
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6
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Undergrad Need help understanding relative motion and frame of references
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1
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Undergrad Solving Questions with Variable Mass: Seeking Guidance
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6
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Graduate Would a uniform circular motion frame be inertial if ω is constant?
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8
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High School Why do bubbles form when we hit the surface of water?
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6
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Graduate Is it possible to get sucked down in a quagmire?
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13
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High School Where should hydrogen be placed in the periodic table?
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4
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Graduate The neutrinos of anomalous speed
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8
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Undergrad Investigation of a Rotating Cylinder
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15
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High School Why Is the Mass of a Wheel Concentrated on the Rim?
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3
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4K
Undergrad Free Energy from the Earth's Rotation
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46
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Graduate Laplacian term in Navier-Stokes equation
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4
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Graduate Q:Is it possible to do a coordinate transfomation in momentum space?
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4
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Undergrad How can momentum be conserved in an inelastic collision?
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5
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High School Can motion be turned into matter?
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2
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Graduate Frictional force nonrelated to N
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4
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Undergrad Air Compression Shoes: A New Idea
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10
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Graduate Vectors and determining plate thickness
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1
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Undergrad Downward force from hovering toy greater than weight?
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11
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3K
High School What causes an object to orbit around another?
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25
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High School Frictional force opposes relative motion?
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5
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Graduate Difficulty following example in Taylor's Classical Mechanics
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High School Calculating the Impact: A Detailed Look at My Car Accident on Friday Night
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High School Find Minimum Acceleration from Graph
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Graduate Hamiltonian mechanics: ∂H/∂t = ?
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Graduate Find Symmetry for Lagrangian in 3D Cylindrical Coordinates
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Graduate Angular Momentum Term Equals Zero?
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Graduate Cubic lattice, masses and springs, fire little mass at it.
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Graduate Under-damped simple harmonic motion solution derivation
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Graduate Optimal launch angle on an uneven ground
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High School See an object clearly in fluid like water
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2
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Graduate Collision with a sword placed in the wall at high speeds
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High School Coefficient of friction calculation
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1K
High School What Causes High RPM Bearings to Suddenly Vibrate and Slow Down?
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2
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Graduate Step from Mass Point Mechanics to Field Theory
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Undergrad Difficulty working with SI and derived SI conversions
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2
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Undergrad Solving Advanced SHM Problem: Tips & Guidance
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6
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Graduate Modeling Deflection of Attached Plate in Sinusoidal Motion
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Undergrad Forces on a string applied perpendicular / tangent direction
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High School (Easy) Gravitational Force at an angle?
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7
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Undergrad A Scenario I Thought Up Today not sure how to describe with math?
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5
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Undergrad What type of equipment is required to detect ultrasound above 1MHz?
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5
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High School What does p = mv (momentum) really mean?
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Undergrad Newton universal gravitation formula, how f is dimensionally derived?
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7
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Graduate How Do You Convert CO2 PPMV in Air to PPMW in Water?
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High School Energy vs force vs work vs power
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Undergrad Why would we weigh less at earth's center?
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8
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High School Which Is Better for Soundproofing: Massive Blocks or Open Blocks?
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Graduate Constructing a Bessel Function from a vibrating surface of water
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Undergrad Does Weight Difference Affect Velocity in a Frictionless Pulley System?
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5
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High School Resources or learning how SI units work?
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5
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Undergrad Parachute design help - children's book
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6
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Undergrad Experimental Derivation of the Drag Force
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9
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Graduate Trajectory in gravitational field
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9
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High School Coefficient of friction lies between 0.1 and 1.5
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7
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Undergrad Vertical force exerted by a spinning non-perpendicular gyroscope
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Graduate Find the Smallest Possible Tension in a Massless String Supporting a Disk
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Undergrad Simple Harmonic Motion Pendulum, can we use PE=1/2kAmplitude^2?
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4
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Graduate Calculate persistence length from force extension data of a single DNA
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Undergrad What type of of force is applied force? Conservative ,Nonconservative
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High School What is the absorption coefficient of black-colored water?
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3
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Graduate Vis-viva equation (Orbital Velocity) with massive satellite?
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3
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High School How does atmospheric pressure work?
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Undergrad Turbulence in pipe flow (Reynold's Number)
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3
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High School Understanding Kinetic Energy and Momentum
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Undergrad Will a feather fly inside a free-falling elevator ?
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7
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Undergrad How Do You Determine the Damping Constant from an Amplitude vs Time Graph?
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1
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Undergrad About satellite launching and satellites in orbits
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10
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Graduate Hessian matrix of the Newtonian potential is zero?
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2
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Undergrad Calculating Work Done on a Spring-Block System: Equivalent Equations?
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4
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Undergrad Momentum of a Fast-Moving Proton
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4
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Graduate Conservation of energy in an undamped driven harmonic oscillator
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Undergrad Tension in rope wrapped around pole
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Undergrad Space ship angular deceleration
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Graduate Collisions in classical mechanics
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High School Best beginner's material on orbital mechanics
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9
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Undergrad Pressure rise in a vaccum system gas specific?
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Undergrad Work done by friction when car is breaking
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Undergrad Designing a far flying catapult launched model glider
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Graduate Pressure of thermodynamical systems and gravity
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High School Mass of falling objects vs. their acceleration
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High School What is gravitational potential energy?
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Graduate On constraint forces and d'Alembert's Principle
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