Mechanics Forum

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Undergrad Combined Stress of Cable Around Pulley
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Graduate Angular-Linear Momentum Collisions
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Graduate How is there not an infinite regress in the EMF of a motor?
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Undergrad Why is friction minimal in a non-ideal ball bounce situation?
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Graduate Gradient of deformation tensor-rigid body
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Graduate A weird answer -- Lagrangian mechanics
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Convert Water to Fuel: Get Started Here!
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Undergrad What pressure is needed to maintain flow when the pipe diameter is halved?
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Undergrad Calculating the velocity of a vehicle necessary to overturn
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Undergrad Reverse Rotating Pump: Does it Add Head to Fluid?
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Undergrad What is the relationship between fluid pressure and the Venturi effect?
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Completely black shadow cast through perfectly clear water.
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Graduate Units of sound pressure level, example: 120 dB re 20 μPa
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Undergrad Dimensional Analysis: Torque, Moment of Inertia & Angular Acceleration
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High School We dont know how a bicycle works Really?
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Undergrad How much does the mass of the earth effect moon gravity?
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Undergrad Wrist-watch type human power meters....
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Undergrad Units of Inertia and Moment of Inertia
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Graduate Proof of angular momentum conservation
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Undergrad 2 Masses connected by a spring
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Graduate Two different equations of motion from the same Lagrangian?
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High School Bicycle Physics: Breaking the Math Barrier
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18
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Undergrad Variational Equations, Chaos Indicators
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6
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Undergrad Breathing under water (long snorkel tube and scuba tank)
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15
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Undergrad How to calculate pressure in a bottomless aquarium
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8
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High School How to separate oxygen and hydrogen?
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Undergrad How Do Supersonic Waves Compare to Subcritical and Supercritical Fluid Flows?
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High School Understanding the Horizontal Component of Normal Force in Banked Curves
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High School Discover the Fascinating Relationship Between Moon Gravity and Vacuum in Space
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6
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Undergrad Is Centripetal Acceleration Treated as a Scalar or Vector Quantity?
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Undergrad Momentum conservation inelastic collection
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Undergrad How much force is needed to shatter safety glass?
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Undergrad Dimensional Analysis of Specific Speed: Explained
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Undergrad How to derive linear velocity from position and angular vel.ocity
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6
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Undergrad How to find the sound power in a collision?
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High School What is the speed of sound from a fast-approaching train?
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High School Calculated G force and don't know what to do now (punch force)
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Undergrad Determine P(t)=(Px(t),Py(t)) given (x0,y0) and v(x,y,t).
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High School Why do diamonds lose their sparkle in water?
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High School How could a lever be used to lift the object
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Undergrad Fallrate Calculation: Constant Upward Force
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Undergrad Torque Needs for Rotating Wheels Without Skid
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Undergrad The Centre of mass of an exploding projectile
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High School Hot Air Balloon Descent: Does it Keep Accelerating Until Impact?
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Undergrad Understanding Mechanics: The Relationship Between Radians and Vectors
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High School A momentum question following collision
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Undergrad 2 Questions About the Gyroscope Effect
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Graduate Proof and Examples of Conservation of Etendue
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High School Mass of Impact: Calculate Weight & Force
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High School I'm wondering about air travel and the rotation of the earth
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Undergrad Proving Midpts of Quadrilateral Make Parallelogram: Position Vectors
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Undergrad Velocity of gases in a flue / stack
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Undergrad Direction observed by fish when man flying air to water?
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Graduate Free damped vibration of a system of 2 dof, demostration
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Graduate Casimir Effect as a power source
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High School Definition of torque - What is r?
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Graduate Centripetal Force for non point particle
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Undergrad Bicycle Forks: The Role of Curvature in Stability and Steering
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Undergrad Fluid flow: larger diameter vs. smaller diameter
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Undergrad Question re. flying against Earth's rotation
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Undergrad How can constant power produce constant acceleration?
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Graduate Center of percussion - baseball bat theorem
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Undergrad Getting 'negative' force when calculating drag
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Undergrad Can every shape precess like a top (toy)?
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Undergrad Why do we need projection of vectors
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Graduate What are the boundary conditions for rotational flow?
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High School Who Hits the Water First? Investigating Free Fall Bungee Jump Physics
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Graduate Equation of projectile with drag and lift
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Undergrad Conditions of collapsing a container
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High School Why Does More Vapour Form When Taking a Bath in Colder Weather?
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Undergrad How to intuitively see the v^2 relation to kinetic energy?
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High School Center of Gravity and Center of Pressure
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Graduate Does continuous mass distribution implies finite propagation
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Undergrad Relative velocity of 2 vehicles
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Graduate Cooling Water in a Closed Container
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Graduate Does Greater Energy Equal Greater Mass in Classical Mechanics?
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Graduate Relativity of motion and astronomy
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Undergrad Why are changes in direction considered accelerating
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High School Why is the reaction force different when passing through different materials?
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High School Do I weigh 50 kg or 50 * 9.8 kg?
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Undergrad Water evaporation in semi-open system
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Undergrad Newton's 3rd law & rocket propulsion (detailed explanation)
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Undergrad Parallelogram law of vector addition
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Undergrad How Do You Calculate Width in Hydrostatic Force Problems with Varying Depths?
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Undergrad Why centripetal force does not increase the value of tangent
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Undergrad Measuring Buoyancy: How to Calculate Upward Force
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High School How much weight am I lifting when I pick up one end of a canoe?
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High School The Addition of Two Vectors: A Visual Guide
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High School Action Reaction force on the earth
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Undergrad Free fall does'nt consider weight
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Undergrad Something about Archimedes' Principle
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Undergrad Is Force Truly a Scalar in Rope Friction Problems?
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High School Which thread breaks first when subjected to different forces?
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Undergrad Problems Building a Van De Graaff Generator
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Undergrad Angular Momentum Conservation -- Rope Problem
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High School Having problem with centripetal and centrifugal force
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Undergrad Reconciling the Coriolis Force Contradiction on a Spinning Disk
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High School Confusion in Newton's 3rd law of motion
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Undergrad Wind Force on Curved Surfaces: Investigating the Drag on an Upright Cylinder
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Undergrad Ladder slipping against a smooth wall
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