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High School How Does the Work-Energy Principle Apply in a Car Collision?

Mar 28, 2004 · Replies 9 · Mar 31, 2004

Replies: 9

Views: 4K

Undergrad Calculating parabola of drooping chain

Mar 25, 2004 · Replies 43 · Mar 31, 2004

2

Replies: 43

Views: 10K

High School How Can We Understand the Mechanics of a Pulley System?

Mar 30, 2004 · Replies 3 · Mar 31, 2004

Replies: 3

Views: 14K

Undergrad Equation for simple harmonic motion

Mar 30, 2004 · Replies 4 · Mar 30, 2004

Replies: 4

Views: 2K

Undergrad Troubleshooting Mousetrap Car Problem

Mar 28, 2004 · Replies 10 · Mar 30, 2004

Replies: 10

Views: 8K

Graduate The invisible lever in Archimedes’s gravity

Mar 27, 2004 · Replies 1 · Mar 30, 2004

Replies: 1

Views: 3K

High School Analyzing Projectile Motion Data: How Do I Create Relevant Graphs?

Mar 30, 2004 · Replies 2 · Mar 30, 2004

Replies: 2

Views: 2K

Graduate How does conservation of geometry apply to levers in equilibrium?

Mar 28, 2004 · Replies 1 · Mar 30, 2004

Replies: 1

Views: 2K

Graduate What is the relationship between a rolling sphere and a smooth cloverleaf helix?

Mar 28, 2004 · Replies 11 · Mar 30, 2004

Replies: 11

Views: 3K

High School Bouncing a rubber ball with a hole in it

Mar 29, 2004 · Replies 1 · Mar 30, 2004

Replies: 1

Views: 3K

Undergrad Calculating Initial Velocity in a Simple Car Braking Problem

Mar 28, 2004 · Replies 4 · Mar 29, 2004

Replies: 4

Views: 8K

Graduate How Do Kinetic and Potential Energy Challenge Newton's Laws?

Mar 28, 2004 · Replies 7 · Mar 29, 2004

Replies: 7

Views: 3K

High School Can You Cross A Bridge With Three Gold Bars?

Mar 23, 2004 · Replies 31 · Mar 29, 2004

2

Replies: 31

Views: 8K

Undergrad Trajectory Position At A Given Time

Mar 28, 2004 · Replies 3 · Mar 28, 2004

Replies: 3

Views: 3K

High School How far will you slide if you fall off a skateboard?

Jan 24, 2004 · Replies 5 · Mar 28, 2004

Replies: 5

Views: 3K

High School Why do bridges have weight limits?

Mar 28, 2004 · Replies 8 · Mar 28, 2004

Replies: 8

Views: 4K

High School Finding Speed of Space Shuttles & Submarines

Mar 27, 2004 · Replies 3 · Mar 28, 2004

Replies: 3

Views: 3K

High School Golf Ball Impact: Does Face or Clubhead Direction Matter?

Mar 23, 2004 · Replies 10 · Mar 28, 2004

Replies: 10

Views: 9K

Undergrad Should I Consider Momentum or Work Done in Calculating Car Collision Damage?

Mar 25, 2004 · Replies 20 · Mar 28, 2004

Replies: 20

Views: 4K

Undergrad What factors affect the evaporation speed of liquids?

Mar 27, 2004 · Replies 1 · Mar 27, 2004

Replies: 1

Views: 4K

High School Can Water Be Transformed into a Viable Fuel Source?

Mar 23, 2004 · Replies 15 · Mar 27, 2004

Replies: 15

Views: 19K

Cable that holds the elevator got disconnected

Mar 13, 2004 · Replies 116 · Mar 27, 2004

4

Replies: 116

Views: 19K

Undergrad How do forces and mass relate to the center of force and center of mass?

Mar 18, 2004 · Replies 11 · Mar 27, 2004

Replies: 11

Views: 3K

Graduate Why does Isotropy of L imply L(v^2)?

Mar 17, 2004 · Replies 3 · Mar 27, 2004

Replies: 3

Views: 3K

Graduate Amendment to Newton's First Law: The True Relationship Between Force and Motion

Mar 25, 2004 · Replies 5 · Mar 27, 2004

Replies: 5

Views: 3K

High School Momentum Units: Measurement in kg*m/s

Mar 26, 2004 · Replies 4 · Mar 26, 2004

Replies: 4

Views: 3K

Undergrad Calculating Time for Turntable Platter to Stop at 0rpm

Mar 21, 2004 · Replies 5 · Mar 25, 2004

Replies: 5

Views: 8K

Graduate Central Force Problem: Find Minimum Velocity (k,a,b,m)

Mar 23, 2004 · Replies 11 · Mar 25, 2004

Replies: 11

Views: 8K

Graduate How much work does the fish do?

Mar 24, 2004 · Replies 1 · Mar 25, 2004

Replies: 1

Views: 2K

High School Understanding Fluid Resistance & Velocity

Mar 23, 2004 · Replies 5 · Mar 25, 2004

Replies: 5

Views: 3K

High School How do you calculate average force?

Mar 22, 2004 · Replies 5 · Mar 25, 2004

Replies: 5

Views: 42K

Undergrad Wood Car Ramp Impacts: Will Bouncing Affect Force?

Mar 23, 2004 · Replies 4 · Mar 25, 2004

Replies: 4

Views: 7K

High School How Do Elastic, Inelastic, and Explosion Collisions Differ?

Mar 23, 2004 · Replies 2 · Mar 25, 2004

Replies: 2

Views: 4K

Graduate Lagrange equation of motion question

Mar 22, 2004 · Replies 7 · Mar 24, 2004

Replies: 7

Views: 10K

Undergrad Calculate Velocity of Object in Elliptical Orbit

Dec 7, 2003 · Replies 7 · Mar 24, 2004

Replies: 7

Views: 17K

Graduate Acceleration of a Spindle System with Two Disks and a Solid Axle

Mar 24, 2004 · Replies 1 · Mar 24, 2004

Replies: 1

Views: 2K

High School Why is it easier to balance on a bike when you're moving fast?

Mar 19, 2004 · Replies 13 · Mar 24, 2004

Replies: 13

Views: 4K

Undergrad Galileo & Newton: Dynamics, Laws of Motion, Universal Gravitation

Mar 23, 2004 · Replies 1 · Mar 23, 2004

Replies: 1

Views: 9K

Undergrad Force exerted by the expansion of freezing H2O

Feb 19, 2004 · Replies 16 · Mar 23, 2004

Replies: 16

Views: 26K

Undergrad Circles in a Box: Forces on Uniform Spheres at 35* Angle in Fixed Container

Mar 22, 2004 · Replies 3 · Mar 23, 2004

Replies: 3

Views: 3K

High School Is there a formula for calculating recoil velocity?

Mar 22, 2004 · Replies 1 · Mar 22, 2004

Replies: 1

Views: 8K

High School Conservation of mass with fireworks

Mar 22, 2004 · Replies 1 · Mar 22, 2004

Replies: 1

Views: 3K

Graduate Is there gravity in the process of falling body?

Mar 22, 2004 · Replies 1 · Mar 22, 2004

Replies: 1

Views: 3K

High School Car A vs Car B 0-100mph Race: Who Wins?

Mar 21, 2004 · Replies 1 · Mar 22, 2004

Replies: 1

Views: 2K

Undergrad Solving a Sticky Problem with Steel Ball Bearings

Mar 21, 2004 · Replies 11 · Mar 21, 2004

Replies: 11

Views: 4K

High School Understanding Energy Conservation and its Impact on Everyday Life

Mar 18, 2004 · Replies 28 · Mar 20, 2004

Replies: 28

Views: 3K

High School Main Features of DC Motors and Generators

Mar 19, 2004 · Replies 14 · Mar 20, 2004

Replies: 14

Views: 6K

Undergrad Simulating Missile Launch: Confirming Accuracy of Calculations

Mar 18, 2004 · Replies 1 · Mar 19, 2004

Replies: 1

Views: 2K

Graduate What is the acitve inertia and passive inertia?

Mar 19, 2004 · Replies 1 · Mar 19, 2004

Replies: 1

Views: 6K

Undergrad Is my Project Genesis based on Archimedes' law of lever?

Mar 19, 2004 · Replies 1 · Mar 19, 2004

Replies: 1

Views: 2K

Undergrad Modeling Angled Slide Flight with SUVAT Equations

Mar 18, 2004 · Replies 3 · Mar 19, 2004

Replies: 3

Views: 4K

High School How Does a Pulley's Design Affect the Maximum Weight a Strongman Can Lift?

Mar 17, 2004 · Replies 1 · Mar 17, 2004

Replies: 1

Views: 8K

Graduate Movement on a Sphere: Find Lat & Long of Point P

Mar 14, 2004 · Replies 4 · Mar 17, 2004

Replies: 4

Views: 6K

Undergrad Physics of Thrown Baseball: Air Resistance & Gravity Forces

Mar 16, 2004 · Replies 6 · Mar 17, 2004

Replies: 6

Views: 4K

Undergrad How can we improve the accuracy of acceleration calculations?

Mar 17, 2004 · Replies 2 · Mar 17, 2004

Replies: 2

Views: 2K

Undergrad Resources for beginning Physics student

Jan 28, 2004 · Replies 18 · Mar 16, 2004

Replies: 18

Views: 8K

Graduate Rolling Cylinder on Inclined Plane: Friction & Rotational Acceleration

Mar 16, 2004 · Replies 3 · Mar 16, 2004

Replies: 3

Views: 9K

Graduate Where does the matter/energy go when a black hole evaporates?

Mar 9, 2004 · Replies 7 · Mar 16, 2004

Replies: 7

Views: 3K

Undergrad How fast can a rigid diak spin without disintegrated?

Mar 4, 2004 · Replies 6 · Mar 15, 2004

Replies: 6

Views: 4K

High School How Do I Calculate Thrust for My Hovercraft Project?

Mar 14, 2004 · Replies 1 · Mar 14, 2004

Replies: 1

Views: 3K

Graduate Understanding Focault's Compass - Gyroscope Rotation Dynamics

Mar 12, 2004 · Replies 3 · Mar 14, 2004

Replies: 3

Views: 3K

High School Rotational Motion: Can 1 Force Make It?

Mar 14, 2004 · Replies 2 · Mar 14, 2004

Replies: 2

Views: 4K

Undergrad Angular velocity of airplane propeller

Mar 13, 2004 · Replies 1 · Mar 13, 2004

Replies: 1

Views: 8K

High School What is the weight of a container filled with flying birds?

Mar 12, 2004 · Replies 1 · Mar 12, 2004

Replies: 1

Views: 3K

Graduate Definition of Lagrange function

Mar 9, 2004 · Replies 10 · Mar 12, 2004

Replies: 10

Views: 20K

High School What is the difference between Ave. and Instantaneous Speed?

Mar 8, 2004 · Replies 3 · Mar 11, 2004

Replies: 3

Views: 3K

Undergrad What is the center of mass location for the Earth-Moon system?

Mar 10, 2004 · Replies 6 · Mar 11, 2004

Replies: 6

Views: 3K

Graduate Comments on a discussion please

Mar 10, 2004 · Replies 1 · Mar 11, 2004

Replies: 1

Views: 3K

Undergrad Can a Football Kicker Make a 40m Field Goal at 45°?

Mar 10, 2004 · Replies 1 · Mar 10, 2004

Replies: 1

Views: 3K

High School Sound Experiment: Dropping 4 Masses from a 3rd Floor Window

Mar 8, 2004 · Replies 2 · Mar 9, 2004

Replies: 2

Views: 2K

High School Rolling Ball Analysis - Mass, Length, Time Calculations

Mar 9, 2004 · Replies 1 · Mar 9, 2004

Replies: 1

Views: 4K

Graduate Phase duality: Quantum mechanics inside-out

Feb 9, 2004 · Replies 11 · Mar 8, 2004

Replies: 11

Views: 3K

Undergrad For Doc, rates of change of acceleration

Mar 8, 2004 · Replies 5 · Mar 8, 2004

Replies: 5

Views: 3K

Graduate The Secrets: The Truth Behind UFO's FTL Speeds

Mar 3, 2004 · Replies 18 · Mar 8, 2004

Replies: 18

Views: 10K

Graduate Is it possible to change the helium of the sun to hydrogen

Mar 8, 2004 · Replies 1 · Mar 8, 2004

Replies: 1

Views: 4K

High School Can Sound Waves Be Used as a Renewable Energy Source?

Mar 6, 2004 · Replies 14 · Mar 8, 2004

Replies: 14

Views: 6K

High School Momentum Equation | Tricia's Question

Feb 12, 2004 · Replies 5 · Mar 7, 2004

Replies: 5

Views: 2K

Undergrad What is the issue with using powers for momentum equations?

Mar 4, 2004 · Replies 6 · Mar 7, 2004

Replies: 6

Views: 6K

Graduate Solving Momentum Problem With Perfectly Elastic Collisions

Mar 6, 2004 · Replies 4 · Mar 7, 2004

Replies: 4

Views: 3K

Graduate Setting Up a Pendulum Experiment to Test a Program

Mar 3, 2004 · Replies 2 · Mar 6, 2004

Replies: 2

Views: 3K

Graduate Geodesics inside a spinning ball of the gravitational field matter

Mar 4, 2004 · Replies 2 · Mar 5, 2004

Replies: 2

Views: 3K

Undergrad How Do We Calculate Elasticity in Collisions?

Mar 4, 2004 · Replies 1 · Mar 4, 2004

Replies: 1

Views: 14K

Graduate What factor affects the rate of exponential decay in coupled pendulums?

Feb 29, 2004 · Replies 3 · Mar 4, 2004

Replies: 3

Views: 3K

High School Solving the Physics Problem: Car and Truck Acceleration

Mar 1, 2004 · Replies 3 · Mar 3, 2004

Replies: 3

Views: 2K

Undergrad Help with Rotating Weighted Ball in Socket: Design Rules Needed

Mar 1, 2004 · Replies 1 · Mar 2, 2004

Replies: 1

Views: 3K

Undergrad Impossible creation of potential energy

Mar 1, 2004 · Replies 4 · Mar 2, 2004

Replies: 4

Views: 3K

Undergrad Sandbag Experiment: Reason Why Some Believe Motion 0m/s, Others 10m/s

Mar 1, 2004 · Replies 14 · Mar 1, 2004

Replies: 14

Views: 4K

Undergrad What Are the Best Advanced Mechanics Textbooks for Self-Study?

Feb 21, 2004 · Replies 4 · Mar 1, 2004

Replies: 4

Views: 4K

High School How Does Gravity Affect a Flag Waved on the Moon's Surface?

Feb 29, 2004 · Replies 4 · Feb 29, 2004

Replies: 4

Views: 6K

High School Light Speed Debate: Is It Possible to Travel Faster?

Feb 29, 2004 · Replies 2 · Feb 29, 2004

Replies: 2

Views: 3K

High School Effective Weight of Falling Object

Feb 29, 2004 · Replies 2 · Feb 29, 2004

Replies: 2

Views: 31K

Undergrad Relation between cue ball and cue speed

Feb 28, 2004 · Replies 7 · Feb 29, 2004

Replies: 7

Views: 5K

High School Water on Earth: A Chemical Mystery Solved

Feb 24, 2004 · Replies 21 · Feb 28, 2004

Replies: 21

Views: 4K

High School Find the Gravity Center of an Egg: Boaz's Assignment

Feb 26, 2004 · Replies 5 · Feb 28, 2004

Replies: 5

Views: 9K

Undergrad Momentum Conservation in Inelastic Collisions: Explaining Newton's Laws

Feb 22, 2004 · Replies 14 · Feb 27, 2004

Replies: 14

Views: 3K

Undergrad Initial velocity out of a cannon

Feb 26, 2004 · Replies 4 · Feb 27, 2004

Replies: 4

Views: 10K

Undergrad How Do I Convert Pounds to Kilograms?

Feb 26, 2004 · Replies 6 · Feb 27, 2004

Replies: 6

Views: 60K

Poll

High School How Does Weight Affect the Stretch Length of Rubber Bands?

Dec 10, 2003 · Replies 21 · Feb 26, 2004

Replies: 21

Views: 7K

High School Inclined Planes and Acceleration

Feb 25, 2004 · Replies 1 · Feb 26, 2004

Replies: 1

Views: 2K

High School Terminal velocity for a bullet

Feb 26, 2004 · Replies 2 · Feb 26, 2004

Replies: 2

Views: 20K

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