Search our database of handpicked sites
Looking for a great physics site? We've tracked down the very best and checked them for accuracy. Just pick a topic, tell us your age and knowledge level and we'll do the rest.
You searched for “mass”
We found 4 results on physics.org and 85 results in our database of sites
Search results on physics.org
Search results from our links database
Showing 1 - 10 of 85
Showing 1 - 10 of 85
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!
Rating: 
Hits: 209
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.
Rating:
Hits: 183
Atwood Machine
The site demonstrate the use of various masses to measure the force exerted on one mass by another.
Rating:
Hits: 221
Explorescience: Driven Harmonic Motion (1 masses)
Apply a driving force to two masses and three springs. Vary masses, spring constants and frequencies & observe different modes of resonance. Part of a great site for teaching advanced physics with ...
Rating:
Hits: 224
Event Horizon
After collapse to the neutron star stage, stars with masses less than 1-3 solar masses should remain neutron stars. Those of masses greater than 1 to 3 collapse toward zero spatial extent - toward a ...
Rating:
Hits: 167
Air Track Simulator
This applet simulates collsions in one dimension. Users can change variables of mass, elasticity and initial speeds of masses on an air track.
Rating: 
Hits: 289
Restless Mass
A mathematical site looking at the possible real nature of mass. Asks the question is mass just another form of energy and thus rest mass does not exist. A good site looking at the real nature of ...
Rating:
Hits: 183
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 ...
Rating:
Hits: 241
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 ...
Rating:
Hits: 162
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".
Rating:
Hits: 156
Showing 1 - 10 of 85