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The Atwood Machine

Two masses on either side of a pulley with variables of mass and friction. Enter values for the masses of the two balls then hit go to see them fall!

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Hits: 1403

http://www.msu.edu/user/brechtjo/physics/atwood/atwood.html
hyperphysics

Mass Spectrometer

The mass spectrometer is an instrument which can measure the masses and relative concentrations of atoms and molecules. It makes use of the basic magnetic force on a moving charged particle.

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Hits: 1176

http://hyperphysics.phy-astr.gsu.edu/hbase/magnetic/maspec.html#c1

Explorescience: Driven Harmonic Motion (2 masses)

Apply a driving force to two masses and three springs. Vary masses, spring constants and frequencies & observe different modes of resonance. Subscription site but with 30 day free trial.

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Hits: 1919

http://www.explorelearning.com/index.cfm?method=cResource.dspDetail&ResourceID=21

Atwood Machine

The site demonstrate the use of various masses to measure the force exerted on one mass by another.

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Hits: 1149

http://lectureonline.cl.msu.edu/~mmp//kap4/cd097a.htm

Air Track Simulator

This applet simulates collisions in one dimension. Users can change variables of mass, elasticity and initial speeds of masses on an air track.

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Hits: 2565

http://www.msu.edu/user/brechtjo/physics/airTrack/airTrack.html
hyperphysics

Chandrasekhar Limit

The calculation of the maximum mass of 1.44 solar masses for a white dwarf was done by Subrahmanyan Chandrasekhar on a ship on the way from India to England to begin graduate study in physics at ...

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Hits: 1554

http://hyperphysics.phy-astr.gsu.edu/hbase/astro/whdwar.html#c5
hyperphysics

Cygnus X-1

Doppler studies of this blue supergiant in Cygnus indicate a period of 5.6 days in orbit around an unseen companion. The mass of the companion is calculated to be 8-10 solar masses, much too large to ...

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Hits: 1797

http://hyperphysics.phy-astr.gsu.edu/hbase/astro/blkbin.html#c2
hyperphysics

Reduced Mass

The relative motion of two objects which are acted on by a central force can be described by Newton's Second Law as if they were a single mass with a value called the "reduced mass".

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Hits: 1232

http://hyperphysics.phy-astr.gsu.edu/hbase/orbv.html#rm

Mass and Weight

The connection between mass and weight. Links with many other relevant pages such as mechanical quantities and relativistic mass

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Hits: 1604

http://hyperphysics.phy-astr.gsu.edu/hbase/mass.html

NPL Beginners' Guide - Mass

How do you define a kilogram? An introduction to the standards set for mass measurement.

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Hits: 932

http://www.npl.co.uk/educate-explore/posters/mass/
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