Menu

Navigation

More options

Style variation

Contact us

Mechanics Forum

Filters

Undergrad Can some help me explain what they are trying to say

May 5, 2004 · Replies 2 · May 6, 2004

Replies: 2

Views: 2K

Undergrad How does tyre width affect grip in Formula 1?

May 6, 2004 · Replies 1 · May 6, 2004

Replies: 1

Views: 9K

Undergrad What's the optimum air pressure for sound waves?

May 5, 2004 · Replies 2 · May 6, 2004

Replies: 2

Views: 3K

Undergrad Rolling ball physics in 2D, how?

May 3, 2004 · Replies 9 · May 5, 2004

Replies: 9

Views: 12K

High School GPE and KE - Help with AS Physics Coursework

May 4, 2004 · Replies 4 · May 4, 2004

Replies: 4

Views: 12K

Undergrad Gyroscopic effects on bicycle airtime stabilty.

May 4, 2004 · Replies 1 · May 4, 2004

Replies: 1

Views: 2K

Graduate Principle Axes and Euler's Equation

May 2, 2004 · Replies 2 · May 4, 2004

Replies: 2

Views: 5K

Undergrad Solving for a and t Given s, vi, and vf

May 1, 2004 · Replies 5 · May 2, 2004

Replies: 5

Views: 2K

Undergrad Does pressure affect the speed of sound in a solid?

May 2, 2004 · Replies 3 · May 2, 2004

Replies: 3

Views: 6K

Undergrad Wavelength from pressure graph

Apr 29, 2004 · Replies 4 · May 2, 2004

Replies: 4

Views: 10K

High School Circular Motion of a roller coaster

Apr 30, 2004 · Replies 1 · May 1, 2004

Replies: 1

Views: 2K

High School Running 3 Miles: The Staggering Implications

Apr 30, 2004 · Replies 3 · May 1, 2004

Replies: 3

Views: 2K

High School Solve for Velocity of Toy Car Accelerating with Rocket-Type Engine

Apr 30, 2004 · Replies 2 · Apr 30, 2004

Replies: 2

Views: 2K

Can a perpetual motion machine really be built for only $150?

Apr 18, 2004 · Replies 6 · Apr 30, 2004

Replies: 6

Views: 3K

Undergrad Question about Grav. Potential Energy and Escape Velocity

Apr 29, 2004 · Replies 3 · Apr 30, 2004

Replies: 3

Views: 7K

Graduate The Problem of Composition: Why Time Travel is Limited by Our Physical Makeup

Apr 29, 2004 · Replies 1 · Apr 30, 2004

Replies: 1

Views: 2K

Undergrad How Long Would a Day Be If the Earth Rotated Fast Enough for Equatorial Objects to Be Weightless?

Apr 25, 2004 · Replies 2 · Apr 29, 2004

Replies: 2

Views: 3K

High School Potential Energy Stored by Elastic

Apr 27, 2004 · Replies 4 · Apr 29, 2004

Replies: 4

Views: 3K

Graduate Help with accelerated coordinate system question

Apr 27, 2004 · Replies 3 · Apr 28, 2004

Replies: 3

Views: 2K

Undergrad Ultra-cool Multi-Spring simulator freeware

Apr 22, 2004 · Replies 1 · Apr 28, 2004

Replies: 1

Views: 2K

Undergrad Pulleys reduce the work needed

Apr 26, 2004 · Replies 10 · Apr 27, 2004

Replies: 10

Views: 5K

Graduate Get the lead out, or birth of a musket ball

Apr 20, 2004 · Replies 3 · Apr 27, 2004

Replies: 3

Views: 5K

Undergrad Weight of mass on surface > center of Earth

Apr 26, 2004 · Replies 8 · Apr 27, 2004

Replies: 8

Views: 5K

High School Air pressure vs explosive pressure

Apr 21, 2004 · Replies 4 · Apr 27, 2004

Replies: 4

Views: 8K

Graduate Rotation : angular velocity from body frame

Apr 21, 2004 · Replies 11 · Apr 26, 2004

Replies: 11

Views: 10K

Undergrad Momentum problem driving me crazy.

Apr 25, 2004 · Replies 2 · Apr 26, 2004

Replies: 2

Views: 3K

What is the truth behind suppressed technologies and their impact on society?

Apr 11, 2004 · Replies 8 · Apr 26, 2004

Replies: 8

Views: 4K

Undergrad Question to physics teacher, need your answer to it as well

Apr 23, 2004 · Replies 5 · Apr 24, 2004

Replies: 5

Views: 6K

Undergrad What is the new position vector if the reference point is changed to (0,4)?

Apr 21, 2004 · Replies 3 · Apr 24, 2004

Replies: 3

Views: 10K

Undergrad Solving for Wavelength of a Surface Water Wave

Apr 21, 2004 · Replies 5 · Apr 23, 2004

Replies: 5

Views: 4K

Graduate Cubist Art and the Monte Carlo Effect

Mar 31, 2004 · Replies 11 · Apr 23, 2004

Replies: 11

Views: 4K

High School How does the earth keep spinning on its axis?

Apr 23, 2004 · Replies 1 · Apr 23, 2004

Replies: 1

Views: 3K

Undergrad Angular speeds and a basketball

Apr 22, 2004 · Replies 1 · Apr 22, 2004

Replies: 1

Views: 4K

Undergrad Sound waves of stone in a well

Apr 22, 2004 · Replies 1 · Apr 22, 2004

Replies: 1

Views: 5K

Undergrad Mass Expansion/Particle Accelerators

Apr 21, 2004 · Replies 1 · Apr 21, 2004

Replies: 1

Views: 4K

High School How do aeroplanes achieve flight?

Apr 11, 2004 · Replies 12 · Apr 21, 2004

Replies: 12

Views: 7K

Undergrad Ball falling through hole in the earth.

Apr 19, 2004 · Replies 17 · Apr 21, 2004

Replies: 17

Views: 16K

Undergrad Gravitational field in a hollow sphere

Apr 19, 2004 · Replies 5 · Apr 20, 2004

Replies: 5

Views: 7K

Undergrad Find the Optimal Cut Point on a Hanging Thread

Apr 18, 2004 · Replies 5 · Apr 19, 2004

Replies: 5

Views: 2K

High School Is It True You Can Freeze a Bottle of Water?

Apr 18, 2004 · Replies 2 · Apr 18, 2004

Replies: 2

Views: 3K

High School How Fast Does a Ball Fall 25 Feet: Physics & Algebra Answer

Apr 15, 2004 · Replies 9 · Apr 18, 2004

Replies: 9

Views: 3K

High School Help with accelration due to gravity experiment

Apr 18, 2004 · Replies 3 · Apr 18, 2004

Replies: 3

Views: 2K

Undergrad Is force essential for motion according to Newton's 2nd Law?

Apr 14, 2004 · Replies 14 · Apr 17, 2004

Replies: 14

Views: 3K

Undergrad Projectile formula for a golf ball

Apr 17, 2004 · Replies 1 · Apr 17, 2004

Replies: 1

Views: 7K

High School Why Are Freeway Ramps Designed with Curves and Inertia in Mind?

Apr 15, 2004 · Replies 4 · Apr 17, 2004

Replies: 4

Views: 3K

High School Velocity of Cue Ball: Instant vs. Impact on Pool Table Debate

Apr 17, 2004 · Replies 4 · Apr 17, 2004

Replies: 4

Views: 2K

Undergrad Velocity dependent forces problem

Apr 16, 2004 · Replies 2 · Apr 17, 2004

Replies: 2

Views: 2K

High School If there was a hole straight through the Earth

Apr 14, 2004 · Replies 6 · Apr 16, 2004

Replies: 6

Views: 2K

Undergrad Visual Perception: Investigating the Speed of Seeing

Apr 9, 2004 · Replies 13 · Apr 16, 2004

Replies: 13

Views: 3K

High School Which direction will the pencil fall

Apr 15, 2004 · Replies 11 · Apr 16, 2004

Replies: 11

Views: 3K

Graduate Understanding Inert Bodies: Newton and Archimedes' Equations

Apr 15, 2004 · Replies 3 · Apr 16, 2004

Replies: 3

Views: 3K

High School Does Water Temperature Affect Its Weight?

Apr 12, 2004 · Replies 17 · Apr 14, 2004

Replies: 17

Views: 6K

Undergrad Calculating Force exerted on a skydiver when Parachute opens?

Apr 14, 2004 · Replies 6 · Apr 14, 2004

Replies: 6

Views: 10K

Undergrad Swinging String Attached to Mouse Cursor: Vectors Explored

Apr 13, 2004 · Replies 5 · Apr 14, 2004

Replies: 5

Views: 3K

High School Coefficient of friction has no units

Apr 14, 2004 · Replies 5 · Apr 14, 2004

Replies: 5

Views: 18K

Undergrad Calculating Drag Coefficient for Skydiving Research

Apr 13, 2004 · Replies 2 · Apr 14, 2004

Replies: 2

Views: 7K

Undergrad Solving Mr Occam's Razor with a Drop Weight - D

Apr 13, 2004 · Replies 4 · Apr 14, 2004

Replies: 4

Views: 2K

Graduate Introduction to Geometrodynamics

Apr 13, 2004 · Replies 1 · Apr 13, 2004

Replies: 1

Views: 4K

Undergrad Gyroscopic procession relationships

Apr 12, 2004 · Replies 6 · Apr 13, 2004

Replies: 6

Views: 11K

High School Calculate Force Req. to Lift Load 3m High

Apr 10, 2004 · Replies 10 · Apr 13, 2004

Replies: 10

Views: 10K

Undergrad How Do You Calculate the Initial Velocity of a Projectile?

Apr 12, 2004 · Replies 1 · Apr 12, 2004

Replies: 1

Views: 2K

Undergrad Understanding Static Pressure: Causes of Pressure Changes in Air Flow

Apr 12, 2004 · Replies 1 · Apr 12, 2004

Replies: 1

Views: 2K

High School What is the compromise between Newton's laws and displacement?

Apr 6, 2004 · Replies 20 · Apr 12, 2004

Replies: 20

Views: 3K

Undergrad Why Are 6 Coordinates Essential for Understanding Rigid Body Motion?

Apr 11, 2004 · Replies 1 · Apr 11, 2004

Replies: 1

Views: 26K

Undergrad Calculate the torque on a rigid body

Apr 11, 2004 · Replies 2 · Apr 11, 2004

Replies: 2

Views: 10K

Undergrad Calculating Linear Momentum in Elastic Collision of Two Balls

Apr 11, 2004 · Replies 2 · Apr 11, 2004

Replies: 2

Views: 2K

Graduate Permittivity in inertial reference frames

Apr 10, 2004 · Replies 2 · Apr 10, 2004

Replies: 2

Views: 2K

Undergrad Moments of Inertia: Practical Applications & Integration

Apr 9, 2004 · Replies 4 · Apr 10, 2004

Replies: 4

Views: 4K

Undergrad Calculating Moment of Inertia for a Rectangle

Apr 9, 2004 · Replies 2 · Apr 9, 2004

Replies: 2

Views: 4K

High School Why 9.8m/s^2? The Mystery of Gravity's Constant Acceleration Explained

Apr 7, 2004 · Replies 17 · Apr 9, 2004

Replies: 17

Views: 46K

Graduate Understanding the Error of Equal and Opposite Forces in Free-Falling Objects

Apr 1, 2004 · Replies 27 · Apr 8, 2004

Replies: 27

Views: 4K

Graduate Attention Paid To Accelerating Reference Frames Overthrows SR

Mar 25, 2004 · Replies 153 · Apr 7, 2004

6

Replies: 153

Views: 15K

Graduate When can Stokes' law be used for motion in a liquid?

Mar 28, 2004 · Replies 4 · Apr 7, 2004

Replies: 4

Views: 7K

Graduate How is c determined to be the maximum speed?

Apr 6, 2004 · Replies 22 · Apr 7, 2004

Replies: 22

Views: 5K

Undergrad Physics Problem: Velocity of Satellite 230km Above Earth?

Apr 6, 2004 · Replies 3 · Apr 7, 2004

Replies: 3

Views: 2K

High School Calculate Acceleration & Velocity of Motion Under Gravity

Apr 7, 2004 · Replies 5 · Apr 7, 2004

Replies: 5

Views: 2K

Undergrad Can Newton's Laws of Motion Be Defied in This Space Collision?

Apr 3, 2004 · Replies 14 · Apr 7, 2004

Replies: 14

Views: 3K

High School Does a Plane Weigh More with a Bird Inside?

Apr 4, 2004 · Replies 8 · Apr 6, 2004

Replies: 8

Views: 3K

Undergrad How Can I Calculate Fluid Flow from a Ruptured Pipe?

Apr 5, 2004 · Replies 5 · Apr 6, 2004

Replies: 5

Views: 6K

Undergrad Center of mass and REduced mass

Apr 2, 2004 · Replies 5 · Apr 5, 2004

Replies: 5

Views: 13K

Undergrad A question about work/rotational Ke

Apr 4, 2004 · Replies 2 · Apr 5, 2004

Replies: 2

Views: 3K

Undergrad Question about cue ball collisions

Apr 5, 2004 · Replies 1 · Apr 5, 2004

Replies: 1

Views: 7K

High School Understanding Sound Wave Energy: Impact on Speed, Frequency, and Wavelength

Apr 3, 2004 · Replies 5 · Apr 5, 2004

Replies: 5

Views: 2K

Undergrad Stability of spin top (tippy top)

Apr 4, 2004 · Replies 2 · Apr 4, 2004

Replies: 2

Views: 8K

High School Understanding Braking Distance: Weight & Slide to Stop Time

Apr 4, 2004 · Replies 1 · Apr 4, 2004

Replies: 1

Views: 3K

Graduate What Is the Gravity Force Between Two 1 kg Weights at Zero Distance?

Apr 1, 2004 · Replies 7 · Apr 2, 2004

Replies: 7

Views: 4K

Graduate Solving Work Done by Gas on a Bullet in a Rifle Barrel

Mar 31, 2004 · Replies 2 · Apr 2, 2004

Replies: 2

Views: 2K

Undergrad Bullet velocity after penetrating plastic

Apr 1, 2004 · Replies 1 · Apr 2, 2004

Replies: 1

Views: 3K

High School Why is this so?Why Does the Scale Show a Different Weight Than Expected?

Mar 29, 2004 · Replies 7 · Apr 1, 2004

Replies: 7

Views: 3K

Graduate Why Does Earth Experience Only Two Extreme Distances from the Sun in Its Orbit?

Apr 1, 2004 · Replies 1 · Apr 1, 2004

Replies: 1

Views: 6K

Graduate What is the optimal type of acceleration for Newton's force-mass ratio?

Apr 1, 2004 · Replies 5 · Apr 1, 2004

Replies: 5

Views: 2K

High School Why must rockets and bullets spin

Apr 1, 2004 · Replies 1 · Apr 1, 2004

Replies: 1

Views: 3K

Graduate What is group velocity and how does it relate to the speed of light?

Mar 31, 2004 · Replies 12 · Apr 1, 2004

Replies: 12

Views: 5K

High School Can Photon Accelerate in Vacuum?

Apr 1, 2004 · Replies 9 · Apr 1, 2004

Replies: 9

Views: 3K

High School Understanding the Concept of Tension in Physics - Explained in Simple Terms

Mar 30, 2004 · Replies 7 · Apr 1, 2004

Replies: 7

Views: 14K

Poll

Undergrad Calculating Required Force for 20 RPM Rotation on 4m Axel with 100kg Load

Apr 1, 2004 · Replies 2 · Apr 1, 2004

Replies: 2

Views: 3K

High School Treating Cables with Pulleys & Blocks - Leonel

Mar 28, 2004 · Replies 4 · Mar 31, 2004

Replies: 4

Views: 4K

Graduate How Does Nuclear Fission Release Energy Despite Mass Loss?

Mar 31, 2004 · Replies 2 · Mar 31, 2004

Replies: 2

Views: 3K

High School Bernoulli's Principle explaination

Mar 29, 2004 · Replies 15 · Mar 31, 2004

Replies: 15

Views: 5K

Graduate What is the ratio of successive thetas in an undamped and undriven pendulum?

Mar 31, 2004 · Replies 2 · Mar 31, 2004

Replies: 2

Views: 3K

Top