Mechanics Forum

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Undergrad What is the composition of the Earth's exosphere?
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High School What is Work? Understanding the Concept of Work in Physics and Everyday Life
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Undergrad Pendulum's Tension using Force reasoning and Newtons 3rd Law.
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Undergrad Understand Pressure in Fluids: Conceptual Guide
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Undergrad What are the top toys that can run almost perpetually?
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Question regarding this Basketball Kinematics Diagram
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High School What happens to buoyancy when a non-uniform force is applied to the liquid?
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Graduate Measuring Tensile Strength in an alternative way
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Undergrad Why does 32 F ice have more energy than 32 F water?
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Graduate Fluid dynamics and sound waves
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Undergrad Why don't we take air pressure into account in calculations?
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Undergrad Trying to do the equations for a Spring.
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Graduate Does Newton's Second Law for Torque Work for the Centre of Mass of an Object?
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Graduate Kepler's laws and proof using angular momentum
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Undergrad The ol' water going down the drain thing
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Undergrad How does a meteor explode in mid air, releasing massive amounts of energy?
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Graduate Sound waves carrying mass and how to measure it
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Undergrad Interval between double sonic booms
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Graduate Correlation between Tire Pressure and Acceleration of a Motorbike
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Undergrad How does Quadruple Pendulum isolate LIGO from Seismic Vibrations?
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Graduate Deriving Bernoulli's Equation Using Euler's Law of Motion
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High School Trying to better understand sound & vibration on textured surfaces
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Undergrad Work of a system: Tipler vs Halliday
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Undergrad Dumbbell Sliding on Wall: Find Speed of Weights at Equal Velocity
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High School Why does a rubber band's tension grow when stretched?
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Undergrad Variable mass F=ma versus Rocket F=ma
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High School An intuitive understanding of momentum and kinetic energy
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Graduate Kater's Pendulum: Why Discard l1-l2?
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Graduate Feynman Lectures vol.1 Chapter 4 Topic 4-2GravitationalPotentialEnergy
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High School Elementary question on car crashes and momentum
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High School Laws of conservation of momentum?
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Undergrad Velocity, acceleration, jerk, snap, crackle, pop, stop, drop, roll....
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Undergrad Effects of velocity on weight (mass?)
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High School For every action there is an equal and opposite reaction
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Undergrad Calculate the exit force of a bullet leaving the barrel
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Undergrad Question about a Pendulum's motion
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Graduate Navier-Stokes with spatially varying viscosity
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High School Did Netwton actually think "gravity " was "absurd"?
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Undergrad Power spent to keep a spring compressed
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Undergrad Calculate the speed of the flywheel for my drone motor
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High School Calculating the air pressure exerted on the body
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Undergrad Work done by varying friction against a constantly moving surface
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High School Ground for a Van de Graaff Generator?
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Undergrad RK4 with adaptative step versus fourth order leapfrog integrator
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Undergrad How Does the Oberth Effect Relate to Energy Conservation in Space Propulsion?
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Graduate Path of a projectile with a non-constant gravity
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Graduate Angular momentum conservation, mass striking a rotating rod
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High School Energy conservation in simple pendulum
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Undergrad Bullet trajectory; solving for required angle of elevation
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Graduate Straight-Line Vehicle Motion problem
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Graduate Explanation for this interesting rotational effect?
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Undergrad Bounce of the cue ball in snooker
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Graduate Energy required to change a sphere's axis of rotation OR pole location
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Graduate General method for approaching block/rotating pulley/rotating object equations
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Graduate Lennard-Jones Potential - distance of closest approach
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Undergrad Is there a scientific explanation for the phenomenon of plasma balls?
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Undergrad Are all conservative forces internal?
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Graduate Modern uses of classical statistical mechanics?
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Graduate Possible Error in Goldstein's Classical Mechanics 3rd Edition
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Graduate 2D collision response with friction
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Undergrad Understanding Newton's First Law and Referential Inertial on a Moving Earth
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Graduate Energy in different inertial frames
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Graduate Uncovering the Origins of F = ma: Newton's Experiment and Measurements
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Undergrad Obtaining F = ma: The Evolution of Mass and Acceleration Measurements
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Undergrad Spring on a mass that is held back
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Undergrad Why is there no r^2 term in the formula for the swing weight of a golfclub?
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Graduate Deriving normal and shear stresses
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Graduate Question about fluid mechanics
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Graduate Diffusion model using gas pressure decay
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Undergrad Regarding the idea of potential energy
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High School Why doesn't the gravity vector contribute to KE sliding down a ramp?
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Undergrad Why do we use the sin x = x approximation for calculating waves on a rope?
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Undergrad Why do the balloons approach each other?
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Undergrad Wet wheel and conservation of momentum
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Undergrad Calculate the Angular Velocity of an Arm from a Data Set
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Possible to prove mathematically that the football spot was bad?
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Undergrad Calculate combined friction on multiple different surfaces?
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High School At what wind speed will salt water "boil"?
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Undergrad Why do two balls launch from the right in a Newton's cradle instead of just one?
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Undergrad X variable in damping force equation for damped oscillation?
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High School Expression where a certain quantity is proportional to the force squared
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Undergrad What is knowing the Tension Force good for?
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Undergrad Blast radius of mechanical explosion
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Undergrad Why there is a negative sign in the formula of calculating work done?
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Graduate Continuum mechanics in physics education
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Graduate Are vectors independent of reference frames?
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Undergrad How Bicycle Wheel Rim weight changes forward acceleration?
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High School Unable to clearly understand relative velocity
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Graduate Rotating Sphere: Conceptual Question
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Undergrad Calculating pressure with U.S. customary units
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High School How could Class III Levers till be considered Levers at all?
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Graduate Total energy of air, does it include pressure?
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Undergrad Calculating Water Flow: Time to Fill Canister
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High School Experiment: Finding Relation and Constant for Alarm Clock
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Undergrad Equations related to Bernoulli's equation?
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Undergrad Gas/Fluid Dynamics Help - Calculate Flow Rate & Pressure
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Undergrad Calculating Density of Gas from Combusted Solid w/ Known Wt, Pres, Vol
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Graduate Henry's law when pressure changes fast
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Undergrad Vacuum, atmospheric pressure and constant gravitational acceleration
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Graduate Understanding the derivation for Elastic Potential Energy.
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