Mechanics Forum

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Undergrad Why take the derivative of a delta varible equation?
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High School Equal Weights on a Pulley: What Would You Notice?
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High School Minimum Frequency Needed to Perceive Motion and Avoid Flickering
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Undergrad Rotational motion & Incline Plane
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High School How Big Should the Wheel Be Compared to the Axle for Optimal Force Output?
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Undergrad Why Does a Lopsided Bottle Fall to the Opposite Side?
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Undergrad Degrees of freedom - molecule of water vapor
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Graduate Is Constant Jerk a Real Physical Situation?
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High School Hi Could anyone of you post here a link to a webpage that actually
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Undergrad What is Effective Potential in Physics?
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Undergrad What forces are involved in an inclined elevator boat lift?
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Graduate Designing Air Pressure Cannon to Calculate Velocity with Changing Acceleration
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Undergrad Does the Flow of Water Impact the Effects of High-Speed Impact?
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Undergrad Gravity & Velocity: Instantaneous or Average Velocity?
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High School Why Can't We See the Force of Gravity?
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High School Rolling Friction: Coefficient for Tire on Concrete
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Undergrad Two Questions on Oscillation: Normal Modes and Natural Frequencies
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Undergrad Need some help applying basic physics to a 2d environment.
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Undergrad Why does a tubes length affect wavelength of soundwave?
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Liquid Metal - the most elastic compound ever?
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Undergrad Falling objects: help an ignorant fool
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Graduate Solving a Cute Problem: Rubber Band on a Frictionless Cone
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Undergrad Maximum observed acceleration?
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Undergrad Will a Sphere Spin in a Pressurized Cylinder with Air Friction?
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Undergrad Power Transmission: Maximise Voltage & Minimise Current
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Undergrad Would a Vacuum Bag in a Steel Container Still Have Clamping Pressure?
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What Is the Lightest Weight Measurable by a Sensitive Scales?
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High School Comparing materials abality to absorb impact
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Undergrad Sound as longitudinal vibrations of air
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Undergrad Slingshots for Increased Spacecraft Speed
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High School Recoil Forces in Rail Gun Launches
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Undergrad Why do cars get deformed in high-speed crashes?
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High School Warm Water Expansion: Facts & Questions
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Graduate Questions on the conceptual basis of statistical mechanics
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High School How Does Air Move in a Vacuum?
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Undergrad How to Calculate Initial Velocity in a Same Direction Crash Without Tire Marks?
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Undergrad Time it take for small objects to come together under gravity
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Graduate Projectiles in Vacuum: Stabilization & Tumbling
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Undergrad Could you pull down a helicopter?
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High School Reducing radius of rotating object
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Undergrad Are Air Tight Ice Cream Scoops Also Water Tight?
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High School How Does Momentum Conserve When a Biker Hits the Pavement?
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High School If you crank a generator in space
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Undergrad Tub/Shower Head: Fluid dynamics question
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Undergrad Why do most subwoofers work best in a corner?
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Undergrad Sound wave thru a tube question
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Undergrad Is centripetal force present in inertial and non-inertial frames?
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Undergrad Is Mythbusters' conclusion about bullet velocity accurate?
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High School Is Deceleration Really a Forbidden Word in Physics?
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High School Two Bullets Decent towards the earth
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Undergrad Is There a Scientific Term for Twisting Stress?
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Undergrad Sliding, and rolling, w/ w/o friction
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Undergrad Discovering Intuitive Velocity: Methods for Estimating Acceleration and Distance
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Undergrad Carnot Cycle: Isothermal Expansion Phase - Work Done?
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High School How much weight am I lifting by raising one end of a 21' beam?
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Undergrad Gravity's opposition to accleration
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Graduate Spin Needles in Gravity-less World: Does It Work?
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Undergrad Potential Energy: Accounting for Change in g with Altitude
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High School Dropping an egg without breaking
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Undergrad The wheel on old Horse-Cart problem
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High School Conservation of Momentum: Falling object
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Undergrad Objects in Orbit: The Force of Gravity
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Undergrad Two Bodies Falling Through Air - Does Heavier Fall Faster?
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Undergrad Cantilever & Load: Explaining Physics Intuition
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Undergrad A ball bearing is held in a cup on the end of a pivoted rod.
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High School Pain/Damage - If I dropped an ant
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High School Can a Rope Stay in Orbit After Rocket Launched?
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Undergrad Probability and statistical mechanics
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Undergrad Spinning pseudo gravity problems
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Graduate Rolling Friction of hollow cylinder
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Undergrad Calculating RPM of 2D Object with Force Applied
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High School Physics teacher demonstrated Newton's 3rd Law
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Undergrad Conservation of (Angular) Momentum
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High School 's Introduction to Elementary Physics
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High School I don´t understand how sound propogates through a medium.
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Undergrad Stress at half of tensile strength
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High School Design Ideas for Wind Power Lifter | Manchester Twp.
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Undergrad Serious answer from a physicist required (please no random answers)
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Graduate Driving a SUV in airless enviroment
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High School Where is contact made during collisions?
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Graduate Professor Jones' claims about the physics of WTC collapse
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Undergrad Misapplication of Bernouilli's principle
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Undergrad Revisiting the Definition of Free Fall: Acceleration or Standing Still?
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Undergrad Relationship between linear and circular velocity
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Undergrad Please Explain this diagram: Statorless motor
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High School Is the Law of Conservation of Matter and Energy Outdated?
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Undergrad What is Torque and How Does it Affect the Center of Gravity?
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Undergrad How does a Radio Antenna Work?
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Undergrad How can wires carry analog signal?
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Graduate Why is the explanation of lift based on increased path incorrect?
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High School What is antigravity? How would it possibly work?
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Undergrad How would I solve a Spring problem,
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Undergrad Jab or follow through on punch?
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High School Freshman HS student working on a scanning tunneling microscope
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Graduate Can a gyroscope under no external force precess?
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High School Is the recoil from a projectile weapon just a Hollywood myth?
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High School Make a Manilla Folder Propeller for Physics Project
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Graduate Can a Spaceship at 99.99% Light Speed Survive Centripetal Forces in Deep Space?
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Undergrad Understanding Surface Tension of Liquids: Factors and Measurement Methods
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High School Solving Two Hours of Christmas Arguing: PE on a Cliff and Ramp?
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