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Topic: Inertial mass


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In the News (Tue 20 Aug 19)

  
  Inertial mass - Wikipedia, the free encyclopedia
Inertial mass is a measure of the resistance of an entity to a change in its velocity relative to an inertial frame.
The inertial frame does not have to be that of the mass in question; either before or after the measurement.
The equation defines inertial mass of particle i in terms of the assumed measurable mutually induced accelerations a
en.wikipedia.org /wiki/Inertial_mass   (271 words)

  
 Mass - Wikipedia, the free encyclopedia
Inertial mass is a measure of an object's inertia: its resistance to changing its state of motion when a force is applied.
Inertial mass is the mass of an object measured by its resistance to acceleration.
Gravitational mass is the mass of an object measured using the effect of a gravitational field on the object.
en.wikipedia.org /wiki/Mass   (2770 words)

  
 Thomas Townsend Brown: Canadian Patent # 726958 (Beneficiation of Gravitic Isotopes) & Tribo-Excitation Production ...
In general, the total inertial mass of the gravitational isotopes is approximately the same as the inertial mass of the sample as a whole, though there may be some differences.
One hypothesis holds that a high ration of inertial mass to gravitational mass is coexistent with a high energy level (excited state) in the material, and this results in a spontaneous release of energy to the environment.
In Figure 6, an inertially balanced system is represented by two identical inertial masses W1 and W2 rigidly connected by connector 40 and balanced about a pivotal point 41 (to which the connector 40 is pivoted) and about which the system is adapted to rotate.
www.rexresearch.com /isotopes/1isotope.htm   (7261 words)

  
 INERTIA
The inertial field velocity from the Earth behind the object is allowed to move at an increased velocity proportional to the velocity of the object.
The "mass" value of the object does not increase as Einstein indicated, the ability of the object of matter to be accelerated decreases which gives a particle with "mass" at high velocity an illusion of having an increased "mass" value due to an increased force requirement for a constant acceleration.
Column 's=' is the inertial velocity at the surface assuming mass fills space at a density of c kg/m^3 (this value is obtained by dividing the mass/sec by the density of the field).
www.geocities.com /dogov/inertia.htm   (13447 words)

  
 The Two Energies of Matter.
This inertial mass depends on its 'energy level' relative to space only and is not dependant on its relation to other bodies.
When the bullet hits an object both the momentum and the inertial mass energies are transfered to the object and the bullet returns to its original energy level.
The inertial mass of a body is not invariant, it depends on the 'space energy level' of the body.
novan.com /energies.htm   (2065 words)

  
 D.Acosta: The Inertial Mass
The first is to present mass as an omni-directional phenomenon, the second is to propose viewing mass as an economic system under strict accounting scrutiny whose Entry/Exit currency unit is the impulse.
"Mass is in that case a physical phenomenon of multi-directional character given to an object".
If the mass system is in a state of rest when the impulse is applied, its velocity and mass increase as well as reaching a new energy level.It is possible to return to its original energy state by applying a similar impulse but in the opposite direction from the original one.
www.arrakis.es /~dacosta/masai.htm   (4468 words)

  
 Mass: inertial / gravitational / frames of reference
Gravitational mass is said to be that which interacts with a `gravitational field' to give a body its apparent weight.
Inertial mass is the product of a body's volume/density which will give the resulting moment of inertia and therefore kinetic energy of a body moving relative to another.
Therefore Mach said that the inertial influence on a body is that of all the surrounding masses in the universe, regardless of distance.
www.perceptions.couk.com /uef/mass.html   (843 words)

  
 Gravitational and Inertial Mass in Newton’s Principia
In contrast, the identity between inertial and gravitational mass is a necessary and unavoidable feature of any theory (such as general relativity) that conceives of gravitational motion as nothing other than inertial motion in curved spacetime.
In such a theory, inertial mass and gravitational mass are not just accidentally numerically equal, they are ontologically identical.
In simple pendulums whose centers of oscillation are equally distant from the center of suspension, the quantities of matter are in a ratio compounded of the ratio of the weights and the squared ratio of the times of oscillation in a vacuum.
www.mathpages.com /home/kmath582/kmath582.htm   (1476 words)

  
 Inertial Mass
On the other hand there is another way for the mass of a body to be compared to the mass of another.
One of the earliest concepts of a mass in relativity was written up in Einstein’s famous 1905 paper On the Electrodynamics of Moving Bodies” where he spoke of longitudinal and transverse mass [4].
It will be assumed that the mass of a particle is at most a function of the particles speed.
www.geocities.com /physics_world/sr/inertial_mass.htm   (1157 words)

  
 The Equivalence of Mass and Energy
In mature classical physics, the inertial mass of such an object is a measure of that body's resistance to acceleration.
Furthermore, in classical physics, the inertial mass of a body is independent of its relative state of motion.
Finally, by saying that mass and energy are the same, these thinkers are suggesting that the denotation of the terms "mass" and "energy" is the same, though they recognize that the connotation of these terms is clearly different.
plato.stanford.edu /entries/equivME   (5138 words)

  
 Energy Citations Database (ECD) - Energy and Energy-Related Bibliographic Citations   (Site not responding. Last check: 2007-10-21)
Inertial mass of a vortex in cuprate superconductors
As a preliminary, we present a discussion and calculation of the vortex mass using a microscopically derivable phase-only action functional for the far region which shows that the contribution from the far region is negligible and that most of it arises from the (small) core region of the vortex.
The mass, about 0.5m{sub e} per layer, for a magnetic field along the c axis arises from deformation of quasiparticle states bound in the core and screening effects mentioned above.
www.osti.gov /energycitations/product.biblio.jsp?osti_id=544952   (349 words)

  
 Newton’s Second Law – Inertial Mass
For example, if the speed of light is the same in all inertial frames, then light must propagate without a medium; otherwise the medium would affect the speed of light as viewed from different inertial frames.
inertial frame, imagine we have an infinite number of observers, each located at a specific point in the inertial frame with a clock.
Examples of events are birth, death, explosions, detectors going off, etc. In other words, if you are born in one inertial frame, you are also born in any other inertial frame – the time and location of your birth may be different in different frames, but the fact of your birth is absolute.
www-personal.umich.edu /~pberman/20relpost.html   (777 words)

  
 Newton's Second Law - Inertial Mass   (Site not responding. Last check: 2007-10-21)
The acceleration is directly proportional to the force and inversely proportional to the inertial mass of the object.
The acceleration is inversely proportional to the inertial mass.
We must denote one mass as a standard mass and measure all masses relative to the standard mass.
www.physics.nyu.edu /courses/V85.0020/node25.html   (677 words)

  
 More on Mass
* Active gravitational mass is a measure of the strength of the gravitational field due to a particular object.
Thus, in particle physics where mass and energy are often interchanged, it is common to use not only eV/c2 but even simply eV as a unit of mass (roughly 1.783 × 10-36 kg).
Nowadays, the use of the "relativistic mass" concept is discouraged by physicists.
www.artilifes.com /mass.htm   (2870 words)

  
 Anomalous Acceleration of Pioneer 10 and 11 - Page 7 - Bad Astronomy and Universe Today Forum
The equivalence principle (gravitational mass = inertial mass) has nothing to do with the value or the constancy of G and is based on experiments (such as the Cavendish torsional balance), nor does it have anything to do with "action-at-a-distance".
Mass is mass, and a change in G does not change the mass of what the planet, or probe, is made of.
Remember we had estimated distant mass assuming a constant G, so we overestimated the mass of the gas giants, for example, in terms of their local G. As I explained above, this was not obvious to us because the lesser planetary mass out there was countered by their greater inertial mass, so it looked okay.
www.bautforum.com /showthread.php?p=312989#post312989   (5897 words)

  
 What is the difference between the inertial and gravitational mass?
Gravitational mass is measured by comparing the force of gravity of an unknown mass to the force of gravity of a known mass.
Inertial mass is found by applying a known force to an unknown mass, measuring the acceleration, and applying Newton's Second Law, m = F/a.
When the astronauts need to be weighed in outer space, they actually find their inertial mass in a special chair.
www.physlink.com /ae305.cfm   (436 words)

  
 Inertia   (Site not responding. Last check: 2007-10-21)
Mass is very fundamental in classical physics, but the only fundermental way of measuring it is by comparing objects with a standard mass, a process which usually relies on the fact that the force of gravity acting on an object is proportional to its mass.
Newton identified two types of mass; inertial mass and gravitational mass and asserted that they were the same thing.
The point I want to make is that even scientists have an internalized concept of mass which relates more to the common usage of the words mass and weight than to anything else.
users.powernet.co.uk /bearsoft/Inert.html   (560 words)

  
 Inertial Mass as an Electromagnetic Phenomena
In this context, v is the velocity of the charge in the observers inertial frame and the electric field of the charge and its surrounding magnetic field are the observed descriptors of its electromagnetic field as seen by that observer.
If we tried to explain the inertial force resisting acceleration in terms of induction due to the movement of flux into or out of the surface of the charge, the predicted force would be infinite.
Poincare proved that for two inertial systems each in motion through the aether, the result of these effects is to render the Lorentz transforms valid for converting between measurements made in them by a pair of inertial observers provided that their axes were aligned and clocks synchronised in the specified manor.
users.powernet.co.uk /bearsoft/P4ReIn.html   (3042 words)

  
 Newton’s Second Law – Inertial Mass
In Newtonian physics, the equality of gravitational and inertial mass was an experimental result.
From an inertial frame outside the disk, the clock on the circumference is moving at a speed v relative to the inertial frame, while the clock at the center is stationary relative to the inertial frame.
Viewed from outside the disk in an inertial frame, the meter sticks along the circumference are shorter than their rest length, while those along the diameter are equal to their rest length (since the velocity is in the tangential direction, only length in the tangential direction is modified).
www-personal.umich.edu /~pberman/20gr2.html   (1154 words)

  
 Mass
Since the oscillation is opposed by inertia, the greater the mass, the slower is the process, and by measuring the frequency of oscillation, a fair idea of body mass could be obtained.
You will notice that the mass of an object can be measured (that is, compared to the mass of one liter of water) in two different ways.
Using scales and the local force of gravity, one can determine gravitational mass; or else, one might dispense with gravity, like the astronauts aboard Skylab, sand measure the "inertial mass," and in principle they may differ.
www-spof.gsfc.nasa.gov /stargaze/Smass.htm   (1009 words)

  
 Mass Energy and Mass Increase Equations
In 1905 Albert Einstein, in his special theory of relativity, derived an equation telling us that the total energy of a system is equal to the inertial mass of the system multiplied by the velocity of light squared.
where m(v) is the inertial mass of the particle at the velocity v, m(0) is the rest mass, viz.
If we introduce these limits in the equation for mass increase (19) and the equation for length contraction (21), it is possible to derive the equation for the socalled Compton 'wavelength' of a particle.
www.rostra.dk /louis/quant_13.html   (1511 words)

  
 Inertial Mass
Purpose: The purpose of this lab is to acquaint the student with properties of vibrational motion, the PSL motion probe and to illustrate the parabolic relationship between the variables for period and mass using an inertial balance.
Clamp your inertial balance to the edge of your table so that the pan with the "hole" is free to vibrate.
where "T" represents the period, "M" the mass on the spring and "k" is the spring's elasticity constant -- a number which calibrates the stiffness of the spring.
online.cctt.org /physicslab/content/Phy1/labs/inertialmass/mass2002.asp   (1089 words)

  
 SPACE-TALK - ZPF and inertial rest mass?   (Site not responding. Last check: 2007-10-21)
The reason I bring this up is that the Pioneer spacecrafts appear to be slowing as they exit our solar system, in opposite directions, which may mean their inertial mass is increasing realtive to their momentum.
The question is: Can inertial rest mass be effected by the relative frequency, so that a change in a particle's frequency (in its region of space) would render it of either greater or lesser rest mass, so that given a constant momentum its relative velocity in space may be affected?
The relationship between mass and energy is well known, so yes, an increase in a particle's _total_ energy is the equivalent of an increase in mass (I mean total by rest and kinetic).
www.space-talk.com /ForumE/showthread.php3?threadid=2272   (1642 words)

  
 Inertial Mass and Inertia in The AnswerBank: Science
Inertia is the property of a body such that it tends to keep moving in a straight line unless forced to change.
Inertial mass is in a sense the amount of matter in a system with that property.
Note that Gravitational mass is due to another property of matter, that is it's tendency to attract other matter.
www.theanswerbank.co.uk /Science/Question119796.html   (279 words)

  
 Inertial Mass Actuators, Understanding and Tuning (Mathias Winberg, Sven Johansson, Ingvar Claesson) - Electronic ...   (Site not responding. Last check: 2007-10-21)
Inertial Mass Actuators, Understanding and Tuning (Mathias Winberg, Sven Johansson, Ingvar Claesson) - Electronic Research Archive (Conference Paper) - Blekinge Institute of Technology (BTH) - active vibration control, ASAC, ínertial mass actuator,
inertial mass and the spring constant of the suspension effect the resonance frequency of
and output force of an inertial mass actuator manufactured by Metravib in France.
www.bth.se /fou/forskinfo.nsf/alfs/1a2bdb376da6cc1cc1256f8500666836   (245 words)

  
 inertial mass and gravitational mass - Physics Help and Math Help - Physics Forums
Inertial mass is supposed to be the same as gravitational mass.
> Inertial mass is supposed to be the same as gravitational mass.
The inertial and gravitational masses (equal) are determined by its energy.
www.physicsforums.com /showthread.php?t=32945   (462 words)

  
 MSN Encarta - Dictionary - inertial mass definition
MSN Encarta - Dictionary - inertial mass definition
Search for "inertial mass" in all of MSN Encarta
mass of object measured using momentum: the mass of an object determined by measurements of its momentum rather than measurements of its behavior in a gravitational field
encarta.msn.com /dictionary_561531923/inertial_mass.html   (83 words)

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