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Undergrad How would Fg vs. r look on a graphical diagram?Fg on y-axis, r on

Apr 9, 2011 · Replies 11 · Apr 9, 2011

Replies: 11

Views: 4K

Undergrad Cosine, Sin, Tangent when find force/tension

Apr 9, 2011 · Replies 3 · Apr 9, 2011

Replies: 3

Views: 13K

Graduate At what speed do atoms start tearing apart?

Mar 7, 2011 · Replies 12 · Apr 9, 2011

Replies: 12

Views: 7K

Undergrad Bicycle gear ratios for maximum efficiency

Jun 14, 2010 · Replies 10 · Apr 9, 2011

Replies: 10

Views: 17K

High School Is This Scenario Demonstrating Newton's Third Law of Motion?

Apr 9, 2011 · Replies 3 · Apr 9, 2011

Replies: 3

Views: 2K

Undergrad Calculate Force on Steel Wall from Water Flow

Apr 9, 2011 · Replies 5 · Apr 9, 2011

Replies: 5

Views: 3K

Graduate Forced oscillations and ressonance

Apr 8, 2011 · Replies 1 · Apr 9, 2011

Replies: 1

Views: 2K

Undergrad Optimizing Skateboard for Fastest Travel

Apr 8, 2011 · Replies 1 · Apr 8, 2011

Replies: 1

Views: 4K

Undergrad Equipotential Surface: Kinetic Energy & Variability

Apr 8, 2011 · Replies 1 · Apr 8, 2011

Replies: 1

Views: 2K

Graduate Escape Velocity Altered by Other Masses?

Apr 8, 2011 · Replies 11 · Apr 8, 2011

Replies: 11

Views: 3K

Undergrad Conversion for maximum and minimum pressure in South African water reticulation

May 18, 2010 · Replies 2 · Apr 8, 2011

Replies: 2

Views: 4K

Undergrad Oil and Water Experiment Question

Apr 6, 2011 · Replies 1 · Apr 8, 2011

Replies: 1

Views: 3K

Undergrad Why are fission uranium bombs more used than fusion hydrogen bombs?

Apr 3, 2011 · Replies 21 · Apr 7, 2011

Replies: 21

Views: 14K

Undergrad How Long Would it Take to Drop an Object Through a Tunnel on the Moon?

Apr 4, 2011 · Replies 8 · Apr 7, 2011

Replies: 8

Views: 5K

Undergrad Acceleration to Velocity to Position

Nov 14, 2010 · Replies 12 · Apr 7, 2011

Replies: 12

Views: 19K

Graduate Question concerning the effects of speed on time.

Apr 6, 2011 · Replies 2 · Apr 6, 2011

Replies: 2

Views: 2K

High School Determining whether an external battery can deliver enough power

Apr 6, 2011 · Replies 16 · Apr 6, 2011

Replies: 16

Views: 4K

High School Capillarity is a phenomenon only in water

Apr 6, 2011 · Replies 2 · Apr 6, 2011

Replies: 2

Views: 3K

Undergrad Pressure Difference in Test Tube w/ Air Flow Rate

Apr 3, 2011 · Replies 4 · Apr 6, 2011

Replies: 4

Views: 3K

Graduate Luminescence decay kinetics with bimolecular terms

Mar 28, 2011 · Replies 1 · Apr 6, 2011

Replies: 1

Views: 3K

Graduate Underwater Pressure on Sphere Dilemma

Apr 5, 2011 · Replies 15 · Apr 5, 2011

Replies: 15

Views: 12K

Undergrad Rate of evaporation in salt water swimming pools

Apr 5, 2011 · Replies 2 · Apr 5, 2011

Replies: 2

Views: 6K

Undergrad Force distribution to supporting points

Apr 5, 2011 · Replies 2 · Apr 5, 2011

Replies: 2

Views: 3K

High School Calculate Acceleration in g's from m/s²

Apr 5, 2011 · Replies 1 · Apr 5, 2011

Replies: 1

Views: 2K

Graduate Any field or dynamics not related to the 4 Forces?

Apr 3, 2011 · Replies 2 · Apr 5, 2011

Replies: 2

Views: 2K

Graduate Confused: Rotation About an Axis or a Point?

Apr 4, 2011 · Replies 5 · Apr 4, 2011

Replies: 5

Views: 3K

Graduate Damper Selection for High Power Rifle Shooting Rest | 3502 ft-lbs of Energy

Apr 4, 2011 · Replies 1 · Apr 4, 2011

Replies: 1

Views: 3K

Undergrad Moment of inertia (multiple rotating axis)

Apr 3, 2011 · Replies 10 · Apr 4, 2011

Replies: 10

Views: 4K

Undergrad Conservation of momentum and Energy

Apr 4, 2011 · Replies 2 · Apr 4, 2011

Replies: 2

Views: 2K

Undergrad Horse racing > wet grass vs. dry grass

Mar 21, 2011 · Replies 16 · Apr 4, 2011

Replies: 16

Views: 10K

Graduate Momentum of Charged Particle in EM Field Explained

Apr 2, 2011 · Replies 3 · Apr 4, 2011

Replies: 3

Views: 2K

High School Comparing Constant Velocity and Accelerated Motion

Apr 4, 2011 · Replies 3 · Apr 4, 2011

Replies: 3

Views: 5K

Undergrad Rolling Ball Friction Calculation

Mar 30, 2011 · Replies 8 · Apr 4, 2011

Replies: 8

Views: 16K

Undergrad Venturi and a pin hole in a water pipe

Apr 4, 2011 · Replies 1 · Apr 4, 2011

Replies: 1

Views: 5K

Undergrad Analyzing the Motion of a Jumping Spring: Tips and Techniques

Mar 27, 2011 · Replies 13 · Apr 4, 2011

Replies: 13

Views: 3K

Graduate Terminology for levels of body interactivity

Mar 22, 2011 · Replies 4 · Apr 4, 2011

Replies: 4

Views: 2K

Undergrad Moment of Inertia of a drum with center axle

Apr 4, 2011 · Replies 5 · Apr 4, 2011

Replies: 5

Views: 9K

High School Does Dropping a Ball from Different Heights Affect Force or Work?

Apr 4, 2011 · Replies 4 · Apr 4, 2011

Replies: 4

Views: 3K

Undergrad Work and changing forces - Integration

Apr 3, 2011 · Replies 3 · Apr 4, 2011

Replies: 3

Views: 4K

Undergrad Few Conceptual questions regarding Rotational Motion.

Apr 3, 2011 · Replies 1 · Apr 3, 2011

Replies: 1

Views: 4K

Undergrad How Does Centripetal Force Influence Water Flow in a Whirlpool?

Apr 3, 2011 · Replies 2 · Apr 3, 2011

Replies: 2

Views: 3K

Undergrad What Path Does an Object Take in a Hollow Cylinder Under Zero Gravity?

Mar 30, 2011 · Replies 5 · Apr 3, 2011

Replies: 5

Views: 4K

High School How much discrepency would I get if I used acceleration due to gravity?

Apr 3, 2011 · Replies 3 · Apr 3, 2011

Replies: 3

Views: 2K

High School What variables do I need to consider for my projectile motion project?

Apr 2, 2011 · Replies 3 · Apr 2, 2011

Replies: 3

Views: 4K

Graduate What's the truth about phase velocity vs. group velocity?

Mar 30, 2011 · Replies 3 · Apr 2, 2011

Replies: 3

Views: 7K

Undergrad Wave equation for water waves?

Oct 14, 2010 · Replies 19 · Apr 2, 2011

Replies: 19

Views: 11K

Undergrad Vibrating strings and potential energy

Apr 2, 2011 · Replies 9 · Apr 2, 2011

Replies: 9

Views: 6K

Undergrad Finding out pressure in a container if you know temp' and state-of-matter ratios

Apr 2, 2011 · Replies 2 · Apr 2, 2011

Replies: 2

Views: 1K

Undergrad Help with parallel axis theorem?

Mar 22, 2011 · Replies 6 · Apr 2, 2011

Replies: 6

Views: 4K

Graduate Can Non-Newtonian Fluids Predict Pole (De)acceleration in Oobleck?

Apr 1, 2011 · Replies 1 · Apr 2, 2011

Replies: 1

Views: 2K

Undergrad What is causing the horizontal acceleration of a ramp with a block on it?

Apr 1, 2011 · Replies 1 · Apr 1, 2011

Replies: 1

Views: 2K

Undergrad Can a Golf Ball Shatter a Windshield at High Speed?

Apr 1, 2011 · Replies 1 · Apr 1, 2011

Replies: 1

Views: 2K

Undergrad Harness Electricity from Ionized Air - Jason O

Apr 29, 2004 · Replies 10 · Apr 1, 2011

Replies: 10

Views: 8K

High School Did You Apply Force to a Stationary Wall?

Apr 1, 2011 · Replies 2 · Apr 1, 2011

Replies: 2

Views: 4K

High School What is the impact force of a falling object?

Mar 30, 2011 · Replies 7 · Apr 1, 2011

Replies: 7

Views: 4K

Graduate *simple* example of mechanics problem with no closed-form solution?

Mar 31, 2011 · Replies 10 · Apr 1, 2011

Replies: 10

Views: 5K

Undergrad Lagrangians and Masses with springs

Mar 31, 2011 · Replies 1 · Apr 1, 2011

Replies: 1

Views: 2K

Graduate Investigating the Physics of a Cube Submerged in Fluid with Momentum

Mar 31, 2011 · Replies 1 · Apr 1, 2011

Replies: 1

Views: 3K

High School Soap Bubble Pressure: Why Does It Decrease?

Mar 30, 2011 · Replies 6 · Mar 31, 2011

Replies: 6

Views: 4K

Undergrad Heart's Work Output: Viscosity & Vein Length

Mar 29, 2011 · Replies 3 · Mar 31, 2011

Replies: 3

Views: 2K

Undergrad Improve Power Transmission: Square Insert Breaking Problem

Mar 30, 2011 · Replies 1 · Mar 31, 2011

Replies: 1

Views: 2K

High School Last edited by a moderator: May 3, 2017

Mar 31, 2011 · Replies 1 · Mar 31, 2011

Replies: 1

Views: 5K

Undergrad Question about physics and skiing

Mar 29, 2011 · Replies 3 · Mar 31, 2011

Replies: 3

Views: 2K

Graduate How Does Rotational Relativity Affect Particle Dynamics in a Two-Body System?

May 20, 2010 · Replies 59 · Mar 31, 2011

2

Replies: 59

Views: 11K

Undergrad Are Pressure Levels Same in Streams with Unequal Areas?

Mar 30, 2011 · Replies 2 · Mar 30, 2011

Replies: 2

Views: 2K

Undergrad Calculating Work Done by a Variable Force in an Electric Elevator

Mar 30, 2011 · Replies 1 · Mar 30, 2011

Replies: 1

Views: 3K

Graduate Rotational friction on a surface

Mar 30, 2011 · Replies 2 · Mar 30, 2011

Replies: 2

Views: 4K

Undergrad Hollow circular tube versus hollow rectangular shaft

Mar 30, 2011 · Replies 3 · Mar 30, 2011

Replies: 3

Views: 6K

Undergrad Spring & Blocks: Max Friction Force & Oscillation

Mar 30, 2011 · Replies 3 · Mar 30, 2011

Replies: 3

Views: 2K

Undergrad Air Lift in Water: How Much Does it Lift?

Mar 30, 2011 · Replies 1 · Mar 30, 2011

Replies: 1

Views: 3K

High School Can You Substitute a Different Power Source for a 9VAC 1.3A?

Mar 30, 2011 · Replies 1 · Mar 30, 2011

Replies: 1

Views: 2K

Undergrad Torsion Spring Catapult Velocity

Jan 19, 2009 · Replies 1 · Mar 30, 2011

Replies: 1

Views: 6K

Undergrad How to calculate water from storage tank to small tank?

Mar 30, 2011 · Replies 3 · Mar 30, 2011

Replies: 3

Views: 7K

Undergrad What is the relation between surface tension and pressure ? are they

Mar 30, 2011 · Replies 1 · Mar 30, 2011

Replies: 1

Views: 7K

Undergrad Can there exist friction without wear?

Mar 30, 2011 · Replies 1 · Mar 30, 2011

Replies: 1

Views: 3K

High School Zero Gravity: Is Bouyant Force Affected in Space?

Mar 30, 2011 · Replies 1 · Mar 30, 2011

Replies: 1

Views: 2K

High School How do you measure lift in a low-speed wind tunnel?

Apr 13, 2005 · Replies 8 · Mar 30, 2011

Replies: 8

Views: 24K

Undergrad Kinetic Energy and Momentum Scalar

Mar 30, 2011 · Replies 2 · Mar 30, 2011

Replies: 2

Views: 2K

Undergrad Conservative System: Energy Explained

Mar 29, 2011 · Replies 3 · Mar 30, 2011

Replies: 3

Views: 3K

Graduate Why Do Angular Velocity and Acceleration Differ from Other Rotational Analogues?

Mar 29, 2011 · Replies 2 · Mar 30, 2011

Replies: 2

Views: 11K

High School Forces, vectors and straight lines

Mar 28, 2011 · Replies 13 · Mar 29, 2011

Replies: 13

Views: 2K

High School Calculating Time for a Mass Hitting a Spring

Mar 28, 2011 · Replies 6 · Mar 29, 2011

Replies: 6

Views: 12K

Graduate Solving for velocity for a body with distance varying force

Mar 29, 2011 · Replies 1 · Mar 29, 2011

Replies: 1

Views: 3K

Undergrad Time period of a spring system

Mar 29, 2011 · Replies 2 · Mar 29, 2011

Replies: 2

Views: 14K

Undergrad Calculating pressure required to flow at desired rate through pipe

Mar 29, 2011 · Replies 4 · Mar 29, 2011

Replies: 4

Views: 14K

Graduate How Does Particle Collision Influence Angular Displacement in a Closed System?

Mar 27, 2011 · Replies 3 · Mar 29, 2011

Replies: 3

Views: 3K

Undergrad Why Does Torque Equal Force for a Torsion Dynamometer?

Mar 26, 2011 · Replies 4 · Mar 29, 2011

Replies: 4

Views: 5K

High School Does Earth's Rotation Create Gravity?

Mar 27, 2011 · Replies 2 · Mar 29, 2011

Replies: 2

Views: 4K

Undergrad Torque required to accelerate a steel shaft

Mar 28, 2011 · Replies 2 · Mar 29, 2011

Replies: 2

Views: 6K

Undergrad Conceptual Questions:IMPORTANT

Mar 29, 2011 · Replies 1 · Mar 29, 2011

Replies: 1

Views: 2K

Undergrad Change in Momentum: Particle Moves Diametrically Opposite

Mar 28, 2011 · Replies 1 · Mar 28, 2011

Replies: 1

Views: 2K

Graduate Effects of NA vs. Turbine Plenums on Turbocharged Cars

Mar 27, 2011 · Replies 5 · Mar 28, 2011

Replies: 5

Views: 6K

Undergrad Gravitational Potential Energy

Mar 28, 2011 · Replies 2 · Mar 28, 2011

Replies: 2

Views: 3K

Undergrad Does Zero Gravity Eliminate Friction in the Presence of Air?

Mar 28, 2011 · Replies 1 · Mar 28, 2011

Replies: 1

Views: 3K

High School A question about energy conservation

Mar 28, 2011 · Replies 2 · Mar 28, 2011

Replies: 2

Views: 2K

Undergrad Angular Momentum: Why Not Conserved w/ Friction?

Mar 28, 2011 · Replies 1 · Mar 28, 2011

Replies: 1

Views: 1K

Undergrad Linear momentum and velocity direction

Mar 27, 2011 · Replies 3 · Mar 28, 2011

Replies: 3

Views: 4K

High School Linear Speed at South Pole Antarctica

Mar 28, 2011 · Replies 11 · Mar 28, 2011

Replies: 11

Views: 5K

Undergrad How many silver bars can a raft made of whole logs bear?

Mar 28, 2011 · Replies 1 · Mar 28, 2011

Replies: 1

Views: 2K

High School Does carbonation cause straws to float in water?

Mar 27, 2011 · Replies 2 · Mar 27, 2011

Replies: 2

Views: 4K

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