Mechanics Forum

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High School Why is lifting a fast travelling bike harder?
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Graduate Conservation of Energy in different inertial frames
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Undergrad Free Fall Scenario: 100kg Piston Kinetic Energy After 20m Drop
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High School Velocity Acceleration and Gravity
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Graduate Velocity of propagation in lossy media
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High School Opposing forces connected by a rope
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High School Momentum and law of conversation of momentum.
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Undergrad Can One Equation Account for Two Coefficients of Restitution?
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High School What Happens When a Projectile Is Fired Opposite to a Moving Car?
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Graduate Car moving at a constant velocity and many other questions on KE
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Undergrad Question on rotation of a thin rod.
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Undergrad Block on Inclined Plane: The Effects of a Fixed vs. Unfixed Surface
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High School Counting Time: Can Someone Help?
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Undergrad What happens to your body when rotating a seat in a rocket at high acceleration?
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Undergrad Pressure on Liquids: Where Does the Force Come From?
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High School Are There Any Particle Accelerators in Houston?
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Graduate D'alembert's Principle: Is It Justified in Engineering?
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Graduate Proof of Poincare Recurrence Theorem
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Undergrad Calculating Spring Weight: Formulas and Tips for Compression Testing
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Undergrad Can Wheels Increase Velocity When Separated From Vehicle?
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3K
Perpetual Motion: Ideas & Input Welcome
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Undergrad Position Vector: Why Does it Always Point Radially Outward?
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Undergrad Bird flying b/w colliding trains
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High School How much force will get this thing moving?
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8
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High School What is the formula for calculating pressure as a function of height?
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4K
Graduate Question about centrifugal force and Bernoulli's law.
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8
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Graduate A Hairy Ride - Motorcycle Physics
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Undergrad F=ma for extended objects and movement of CM
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3
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4K
Graduate How do you calculate pressure in a plasma?
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High School How fast does a bullet return to earth?
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Undergrad Angular momentum without rotational energy?
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6K
Undergrad Projectile Force Composition Help
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4K
Undergrad What Factors Affect Load Sliding in a Van During Acceleration?
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Undergrad Velocity of mechanical waves
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Undergrad Is Acceleration Measured on the Proof Mass or the Surface?
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Undergrad Putting a satellite into orbit
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Undergrad Understanding Potential Energy Change in Constant Speed Motion
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High School Does the Earth's mass affect the Moon's orbit?
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High School Free Fall or What? Weight Change Explained
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Graduate Ballistics, trajectory and jerk.
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High School Uphill Physics Problem: Which Side Requires Less Energy?
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11
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Undergrad Gyroscopes: Can Two Masses Stabilize?
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High School What is Force? - A General Definition
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Undergrad Power in Circuits: Voltage, Current, & Lost Power
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High School For Those Good In Physics water Level Problem.
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Undergrad Need help in calculating holding value for new product
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9
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3K
Undergrad Photon Momentum: How Can It Exist With No Mass?
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High School Understanding Buoyancy: How Does a Ship Float?
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Undergrad Simple Hydraulics & Pressure trouble
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Undergrad Measuring the potential of the atmosphere
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Undergrad Can I Calculate Thrust for Different Pump Sizes?
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High School Perfectly Elastic Collision - Real World Examples
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Undergrad The Lonnnngggest Snooker Debate Ever
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Undergrad How Does the Design of a Spoked Wheel Affect Its Physical Properties?
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Undergrad Physics Misconception: Roller Coaster Equation
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9K
High School What is centre of gravity. How is it calculated?
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Graduate Friction coefficient and pressure
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Undergrad Understanding the Relationship Between Drag Force and Velocity in Physics
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High School Kinematic Analysis: Solving the Challenge of Box Friction with a Smaller Object
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High School Can Decibels Measure Sound Wave Loudness?
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Undergrad Sound waves distorted in certain speaker enclosures?
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Undergrad Crater Size from 55kg Metal Cylinder Impact
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Undergrad Bouncing a ball force calculation
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Undergrad Build a Steel Trebuchet to Throw 20-30lbs 300ft+
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Undergrad Does the amount of fuel needed to accelerate a vehicle increase quadratically?
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Graduate Pushing Supersonic: Beyond Sound Speed
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Undergrad How does it know the potential difference between the two objects?
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Undergrad Supercooling Water: How To Keep Liquid Below Freezing
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Undergrad Is the damage from a collision affected by the speed of the vehicles involved?
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Undergrad Where Does the Energy Go When a Ball Slides Down a Ramp?
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Undergrad Gravity, Light, and the Earth's Orbit: A Newbie's Questions
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Graduate Mysterious Lagrangian mechanics
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Undergrad Upthrust calculations for hovercraft
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Undergrad Underwater Currents & Wave Speed - Philipp's Question
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Undergrad Understanding Momentum Conservation in a Closed System: A Question Explained
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Graduate Normalising a velocity spectrum
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Undergrad (INTERSTING)question aboutNewton law of motion
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High School Gravity car wheel radius selection
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High School Siphon Questions Answered: Can Outflow Be Submerged?
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Graduate Centripetal Force: Spinning, Ejected Matter & Velocity
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High School What Other Forces Are Out There?
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Undergrad Why Can't the Motorcycle's Contact Point with the Wall Serve as a Pivot?
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Graduate Accelerating Time: Examining the Link Between Space & Time
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High School Can Different Radii of Pipes Affect the Height of Liquid in a Tank?
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High School Why Do Electrons Orbit Protons & Planets Orbit the Sun?
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High School Terminal Velocity of Projectile
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High School Why Doesn't the Moon Fall When Orbiting Earth?
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High School Why is fuel still needed in space?
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Undergrad Discovering Gravity: Newton's Observations and Laws Explained
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Graduate Period of simple orbit in central potential
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High School Understanding Center of Gravity and Balance
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Undergrad Why Does a Beam Bend Only About the Centroidal Axis?
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High School Can High-Speed Travel Really Allow Objects to Pass Through Walls?
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Undergrad Calculating Constant Rate of Deceleration
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Undergrad What Causes the Transition from Water Pillars to Drops in Wet Hair?
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Undergrad Fundamentals of Lift: Differential Pressure & Wing Shape
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Graduate Generating Mechanical Excitations on Solid Masses (Earth)
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Undergrad What Forces Affect a Swingset During Use?
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Undergrad Measuring Acceleration from 3-Axis w/ PIC Microcontroller
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Thomas Jefferson National Accelerator Facility
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