Menu

Navigation

More options

Style variation

Contact us

Mechanics Forum

Filters

Graduate What Would an Object with Negative Inertia Behave Like?

Dec 4, 2005 · Replies 2 · Dec 4, 2005

Replies: 2

Views: 14K

Undergrad What Is a Couple in Engineering Mechanics?

Dec 4, 2005 · Replies 2 · Dec 4, 2005

Replies: 2

Views: 2K

Graduate What Makes Skittles Spin Differently Than Other Sweets?

Dec 2, 2005 · Replies 5 · Dec 4, 2005

Replies: 5

Views: 8K

Graduate Implications of Chaos Theory on Changing Scientific Framesets | Newton to Now

Nov 11, 2005 · Replies 13 · Dec 4, 2005

Replies: 13

Views: 10K

High School Why Does Kinetic Energy Depend on the Square of Speed?

Dec 3, 2005 · Replies 5 · Dec 4, 2005

Replies: 5

Views: 3K

Undergrad Taking Off Technique: Physical & Maths View

Nov 28, 2005 · Replies 21 · Dec 3, 2005

Replies: 21

Views: 3K

Graduate Torque Free Precession: What, Why & How

Dec 2, 2005 · Replies 6 · Dec 3, 2005

Replies: 6

Views: 14K

Undergrad Why did our conservation of momentum experiment have unexpected results?

Dec 2, 2005 · Replies 2 · Dec 2, 2005

Replies: 2

Views: 2K

Undergrad Can Kinematics Fully Explain All Types of Motion?

Nov 29, 2005 · Replies 3 · Dec 2, 2005

Replies: 3

Views: 2K

High School Comparing Ground & Electric Walking: Same Effort?

Nov 27, 2005 · Replies 9 · Dec 1, 2005

Replies: 9

Views: 3K

Undergrad Angular Momentum: Is L = Iw True for Extended Bodies?

Nov 30, 2005 · Replies 1 · Nov 30, 2005

Replies: 1

Views: 2K

High School What would happen if normal force didnt exist?

Nov 29, 2005 · Replies 5 · Nov 30, 2005

Replies: 5

Views: 11K

Undergrad Does force affect the amount of work needed to be done on an object?

Nov 28, 2005 · Replies 4 · Nov 29, 2005

Replies: 4

Views: 18K

High School What are the Basics of the Work System in Physics?

Nov 28, 2005 · Replies 2 · Nov 28, 2005

Replies: 2

Views: 2K

High School How Birds Fly: Physics Explained

Nov 27, 2005 · Replies 3 · Nov 28, 2005

Replies: 3

Views: 12K

Undergrad Beam Moment Support: Debunking the Need for End Moments

Nov 28, 2005 · Replies 1 · Nov 28, 2005

Replies: 1

Views: 3K

High School How Does a Bicycle Stay Upright While Moving?

Nov 27, 2005 · Replies 1 · Nov 28, 2005

Replies: 1

Views: 3K

High School Difference between kinetic energy and momentum?

Nov 26, 2005 · Replies 4 · Nov 27, 2005

Replies: 4

Views: 20K

Undergrad How Does an Air-Lift Work in Fluid Dynamics?

Nov 23, 2005 · Replies 3 · Nov 27, 2005

Replies: 3

Views: 9K

Building a Ballista: 25m Golf Ball Launcher Ideas

Nov 17, 2005 · Replies 6 · Nov 26, 2005

Replies: 6

Views: 3K

High School No Sound in Vacuum: Intuitive or Unintuitive?

Nov 25, 2005 · Replies 12 · Nov 25, 2005

Replies: 12

Views: 3K

Undergrad Understanding the Relationship Between Force and Momentum: F=dp/dt Explained

Nov 20, 2005 · Replies 61 · Nov 24, 2005

3

Replies: 61

Views: 30K

Undergrad Uncontinuous Motion: Nature's Examples

Nov 20, 2005 · Replies 4 · Nov 22, 2005

Replies: 4

Views: 2K

Undergrad A general question on finding the moment of inertia from oscillations.

Nov 21, 2005 · Replies 2 · Nov 22, 2005

Replies: 2

Views: 4K

Undergrad Car Crash: Wall vs. Identical Vehicle - Which Does More Damage?

Nov 22, 2005 · Replies 3 · Nov 22, 2005

Replies: 3

Views: 5K

Undergrad Can dimpling the skin of a jet airliner increase fuel efficiency?

Nov 21, 2005 · Replies 5 · Nov 21, 2005

Replies: 5

Views: 2K

Undergrad Simulating Robot Motion in Water: Forces & Models

Nov 21, 2005 · Replies 1 · Nov 21, 2005

Replies: 1

Views: 3K

Graduate Equilibrium of Object Disturbed: What Happens First?

Nov 17, 2005 · Replies 5 · Nov 20, 2005

Replies: 5

Views: 2K

Graduate Quantum mechanics holds only at discrete points in spacetime?

Nov 11, 2005 · Replies 1 · Nov 20, 2005

Replies: 1

Views: 3K

High School AP Test vs My Teacher: Resolving a Vector Problem

Nov 16, 2005 · Replies 8 · Nov 19, 2005

Replies: 8

Views: 3K

High School A bit of a basic question: bouyancy

Nov 18, 2005 · Replies 3 · Nov 19, 2005

Replies: 3

Views: 2K

Graduate Speed of a projection of a rotating object

Nov 18, 2005 · Replies 4 · Nov 18, 2005

Replies: 4

Views: 3K

Undergrad Unraveling the Mystery of G: Newton's Equation F= G (mM)/r^2

Nov 3, 2005 · Replies 33 · Nov 18, 2005

2

Replies: 33

Views: 6K

High School Time Independent Rotational Kinematics equation?

Nov 17, 2005 · Replies 1 · Nov 18, 2005

Replies: 1

Views: 5K

High School Evaporation Speed: Unit Measurement

Nov 15, 2005 · Replies 1 · Nov 17, 2005

Replies: 1

Views: 4K

Undergrad Calculating motorcycle lean angle

Sep 14, 2005 · Replies 2 · Nov 17, 2005

Replies: 2

Views: 21K

Undergrad Position Vectors in Cartesian XYZ Coordinates

Nov 10, 2005 · Replies 28 · Nov 16, 2005

Replies: 28

Views: 38K

How does the power company matter?

Nov 12, 2005 · Replies 11 · Nov 16, 2005

Replies: 11

Views: 3K

High School Kevlar and it's mechanical properties

Nov 16, 2005 · Replies 1 · Nov 16, 2005

Replies: 1

Views: 34K

Graduate Question - Universal Speed Limit

Nov 14, 2005 · Replies 4 · Nov 15, 2005

Replies: 4

Views: 2K

Undergrad Calculating Air Pressure of Upside-Down Cup in Bathtub

Nov 14, 2005 · Replies 4 · Nov 15, 2005

Replies: 4

Views: 5K

Undergrad Kinematics Basics: Mass, Photons & Reflection

Nov 10, 2005 · Replies 7 · Nov 14, 2005

Replies: 7

Views: 3K

Graduate Why Isn't Angular Momentum Aligned with Angular Velocity in 3-D Dynamics?

Nov 14, 2005 · Replies 2 · Nov 14, 2005

Replies: 2

Views: 4K

Undergrad Reflexes, Reaction Time and inertia

Nov 12, 2005 · Replies 3 · Nov 14, 2005

Replies: 3

Views: 5K

Undergrad Is Your Classroom an Inertial Frame of Reference?

Nov 7, 2005 · Replies 11 · Nov 14, 2005

Replies: 11

Views: 5K

High School Rotational Torque: Learn Basics Before Your Test Fri

Nov 14, 2005 · Replies 1 · Nov 14, 2005

Replies: 1

Views: 8K

Graduate Simulating the Spiralling Motion of a Coin on a Table

Nov 14, 2005 · Replies 1 · Nov 14, 2005

Replies: 1

Views: 7K

Undergrad Mechanics of materials dx,dz,dz

Nov 9, 2005 · Replies 4 · Nov 12, 2005

Replies: 4

Views: 3K

Undergrad Prove Rotational Inertia of Uniform Sphere is 2/5MR^2

Oct 27, 2005 · Replies 1 · Nov 11, 2005

Replies: 1

Views: 3K

High School Coefficient of Friction for pine on pine

Nov 10, 2005 · Replies 1 · Nov 11, 2005

Replies: 1

Views: 6K

High School Settle and arguement between retards

Nov 10, 2005 · Replies 1 · Nov 10, 2005

Replies: 1

Views: 2K

Graduate Basic Kinematics: Constant Velocity w/o Rotation

Nov 10, 2005 · Replies 2 · Nov 10, 2005

Replies: 2

Views: 2K

Undergrad Improve Your Aim with Artillery Duel: Play Against the Computer Now!

Oct 6, 2005 · Replies 1 · Nov 10, 2005

Replies: 1

Views: 3K

High School Whats the phrequency of a pendulum and a balance?

Nov 10, 2005 · Replies 1 · Nov 10, 2005

Replies: 1

Views: 2K

Undergrad Equilibrium Force: Obtaining Point of Application of System

Nov 3, 2005 · Replies 17 · Nov 10, 2005

Replies: 17

Views: 18K

Undergrad Estimating Car Crash Force: Can We Determine Impact in LBS?

Nov 9, 2005 · Replies 8 · Nov 10, 2005

Replies: 8

Views: 9K

Undergrad Vertical Projectile with air friction

Nov 6, 2005 · Replies 12 · Nov 9, 2005

Replies: 12

Views: 5K

High School Sink or Float, Any other water like compounds ?

Nov 9, 2005 · Replies 6 · Nov 9, 2005

Replies: 6

Views: 6K

High School Centripedal & Centrifugal force

Nov 9, 2005 · Replies 3 · Nov 9, 2005

Replies: 3

Views: 3K

High School Why does hot water get colder right before it gets hot?

Nov 9, 2005 · Replies 1 · Nov 9, 2005

Replies: 1

Views: 3K

Graduate Data Transfer To Brain By Carrier Waves

Sep 15, 2003 · Replies 6 · Nov 9, 2005

Replies: 6

Views: 13K

Undergrad Can a yoyo's rotational speed be increased by decreasing the radius of the axle?

Nov 8, 2005 · Replies 16 · Nov 8, 2005

Replies: 16

Views: 5K

Undergrad Completing Knowledge in Mechanics (virial)

Nov 8, 2005 · Replies 6 · Nov 8, 2005

Replies: 6

Views: 2K

Undergrad Waves in a pool of water having a rubber sheet ground

Nov 4, 2005 · Replies 1 · Nov 8, 2005

Replies: 1

Views: 3K

Graduate Properties of low-frequencey sound

Nov 3, 2005 · Replies 7 · Nov 8, 2005

Replies: 7

Views: 4K

High School Conservation of mass/episode of Brainiac

Nov 3, 2005 · Replies 9 · Nov 6, 2005

Replies: 9

Views: 3K

Undergrad Angular Displacement in Rotational Dynamics

Nov 6, 2005 · Replies 2 · Nov 6, 2005

Replies: 2

Views: 3K

High School The Science: How Gyroscopes Resist Rotation and Stay Upright

Nov 5, 2005 · Replies 2 · Nov 5, 2005

Replies: 2

Views: 7K

Undergrad The maximum range of a missile_the earth is not flat

Nov 4, 2005 · Replies 8 · Nov 4, 2005

Replies: 8

Views: 4K

Undergrad What is the gyroscopic effect and how does it affect rotational motion?

Oct 27, 2005 · Replies 7 · Nov 4, 2005

Replies: 7

Views: 6K

Undergrad Gaining Insight into Energy Conservation: A New Perspective

Nov 1, 2005 · Replies 5 · Nov 4, 2005

Replies: 5

Views: 3K

Undergrad Superelastic Collision: Learn How and Why

Oct 31, 2005 · Replies 1 · Nov 3, 2005

Replies: 1

Views: 8K

Graduate Statistical mechanics and phase space

Nov 3, 2005 · Replies 1 · Nov 3, 2005

Replies: 1

Views: 4K

Undergrad Collision Damage Comparison: 40mph Head-On vs. 80mph vs. Rest

Oct 30, 2005 · Replies 25 · Nov 3, 2005

Replies: 25

Views: 6K

Graduate Does Mass of an Object Truly Change with Velocity?

Nov 3, 2005 · Replies 1 · Nov 3, 2005

Replies: 1

Views: 11K

Undergrad Work Done On or By The System

Nov 1, 2005 · Replies 4 · Nov 2, 2005

Replies: 4

Views: 86K

Graduate On this thought experiment in which kinetic energy seems to be created

Oct 30, 2005 · Replies 17 · Nov 1, 2005

Replies: 17

Views: 3K

Undergrad Centrifugal force in rotating frame of reference

Oct 28, 2005 · Replies 6 · Oct 31, 2005

Replies: 6

Views: 6K

Undergrad Center of mass and external forces in a closed system

Oct 31, 2005 · Replies 12 · Oct 31, 2005

Replies: 12

Views: 6K

Undergrad Do Solid Cylinders and Cylindrical Sections Have the Same Rotational Inertia?

Oct 29, 2005 · Replies 1 · Oct 31, 2005

Replies: 1

Views: 2K

High School Can any1 explain vf^2 = vi^2 + 2ad?

Oct 30, 2005 · Replies 3 · Oct 30, 2005

Replies: 3

Views: 144K

Undergrad Two questions concerning mechanics

Oct 29, 2005 · Replies 1 · Oct 30, 2005

Replies: 1

Views: 3K

High School How does a hand stroboscope work?

Oct 29, 2005 · Replies 1 · Oct 30, 2005

Replies: 1

Views: 4K

Undergrad Easy question about an aircraft's top speed

Oct 30, 2005 · Replies 1 · Oct 30, 2005

Replies: 1

Views: 5K

Graduate Roulette Problem: Answers for Ball Spin and Cone Relationship

Oct 29, 2005 · Replies 1 · Oct 29, 2005

Replies: 1

Views: 5K

Undergrad Derive the force from different spring configurations

Oct 28, 2005 · Replies 3 · Oct 29, 2005

Replies: 3

Views: 13K

Undergrad How does torque affect a vehicle's ability to climb a vertical wall?

Oct 26, 2005 · Replies 6 · Oct 29, 2005

Replies: 6

Views: 7K

High School Coefficient of static friction experiment

Oct 23, 2005 · Replies 1 · Oct 29, 2005

Replies: 1

Views: 4K

Undergrad Newton's laws violation consequences

Oct 28, 2005 · Replies 5 · Oct 29, 2005

Replies: 5

Views: 3K

Undergrad Static Friction on Cars: Does it Do Positive Work? Explanation and Examples

Oct 13, 2005 · Replies 10 · Oct 28, 2005

Replies: 10

Views: 4K

Undergrad Calculating Time for a Simple Pendulum

Oct 25, 2005 · Replies 6 · Oct 27, 2005

Replies: 6

Views: 4K

Undergrad Phase, group velocity and energy

Oct 26, 2005 · Replies 2 · Oct 26, 2005

Replies: 2

Views: 8K

Undergrad Why do central forces, such as gravity, only act in one dimension?

Oct 25, 2005 · Replies 6 · Oct 26, 2005

Replies: 6

Views: 5K

High School Slapping Waterfalls: Can Pressure Move Fountains?

Oct 25, 2005 · Replies 13 · Oct 26, 2005

Replies: 13

Views: 3K

High School Velocity vector's change of direction

Oct 26, 2005 · Replies 1 · Oct 26, 2005

Replies: 1

Views: 19K

High School Shooting or dropping a projectile

Oct 26, 2005 · Replies 2 · Oct 26, 2005

Replies: 2

Views: 2K

Undergrad How Do Different Types of Forces Affect the Breaking of Glass?

Oct 25, 2005 · Replies 2 · Oct 26, 2005

Replies: 2

Views: 2K

High School Fly in Cockpit: Does It Feel 5 Gs?

Oct 25, 2005 · Replies 5 · Oct 25, 2005

Replies: 5

Views: 3K

Undergrad Swimming Freestyle: Propulsion Force & Drag Resistance

Oct 24, 2005 · Replies 1 · Oct 25, 2005

Replies: 1

Views: 3K

Undergrad Understanding Center of Mass: Can Muscular Strength Prevent a Fall?

Oct 23, 2005 · Replies 3 · Oct 24, 2005

Replies: 3

Views: 4K

Top