scientific definition of  mass
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- Mass is a measure of the number of atoms in an object combined with the density of those atoms. Usually people measure mass in kilograms. You can tell how much mass something has by measuring how hard it is to get that thing to change directions or slow down. If you're driving a big truck, for instance, you're going to need a lot stronger brakes to stop the truck than if you were riding a bicycle.
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Definitions &Translations The Standard Electrical Dictionary(0.00 / 0 votes)Rate this definition: The quantity of matter in a body. The C. G. S. unit of mass is the quantity of matter in a gram. While weight varies with latitude and other circumstances, mass is invariable.
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Formula Mass Definition and Example Calculation By Anne Marie Helmenstine, Ph.D. Formula Mass Definition: The formula mass of a molecule is the sum of the atomic weights of the atoms in the empirical formula of the compound. Also Known As: formula weight. Examples: The molecular formula for glucose is C 6 H 12 O 6, so the empirical formula is CH 2 O. The formula mass of glucose is (12)+2(1)+16 = 30 amu.
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- The scientific definition of work is the transfer of energy from one object to another, especially in order to make the second object move in a certain direction. Work is equal to the amount of force multiplied by the distance over which it is applied.
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What Is the Difference Between Mass and Density? A: Mass is a measure of the amount of matter that an object contains, while density is a measure of how much mass an object contains per a unit volume. Mass is measured in kilograms, while density is typically measured in kilograms per cubed meter.
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mass gravitational mass - (physics) the mass of a body as measured by its gravitational attraction for other bodies. inertial mass - (physics) the mass of a body as determined by the second law of motion from the acceleration of the body when it is subjected to a force that is not due to gravity. mass energy - (physics) the mass of a body regarded relativistically as energy.
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Dry mass (2) The dry matter of a sample or of an object when completely dried (lacks or excluding water). Supplement. Dry mass is a more reliable measure of mass than fresh mass because the former excludes the fluctuating water concentrations in the biological material measured which is present in the latter.
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Mass (m) Compare with weight .Mass is a measure of the tendency of an object to resist acceleration. It's harder to roll a tractor trailer than a roller skate; the tractor trailer has a far greater mass.
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What is Atomic Mass? - Definition & Examples Atomic mass is roughly equal to the sum of the individual particle masses of an atom. Atomic mass is typically calculated by adding the number of protons and neutrons together, ignoring the electrons because of their small size. Daltons are the standard units used for measuring atomic mass.
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Matter chapter 1 Mass-amount of matter in an object Weight-measure of the force or attraction between objects due to gravity
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Atomic mass The mass of an atom, usually expressed in atomic mass units. the average mass, relative to an atom of carbon, of an atom of an element based on the natural isotopic mix of that element.
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atomic weight 1. atomic mass - (chemistry) the mass of an atom of a chemical element expressed in atomic mass units. atomic weight, relative atomic mass. mass-the property of a body that causes it to have weight in a gravitational field. combining weight, eq, equivalent weight, equivalent-the atomic weight of an element that has the same combining capacity as a given weight of another element; the standard is 8 for oxygen.
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Inertia and Mass Mass is that quantity that is solely dependent upon the inertia of an object. The more inertia that an object has, the more mass that it has. A more massive object has a greater tendency to resist changes in its state of motion. Suppose that there are two seemingly identical bricks at rest on the physics lecture table. Yet one brick consists of mortar and the other brick consists of Styrofoam.
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What is the scientific definition of 'work'? The scientific definition of work is the scalar product of vector force times displacement, work= F.D = FDcos(FD). The scientific definition is defines work as a scalar. The definition of Work should recognize the Quaternion nature of Work, W = Wscalar + Wvector =[f,F] [d, D] = [fd -F.D, fD + Fd + FxD] .
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Atomic mass Atomic mass. The atomic mass of an atom is the mass of that atom compared to some standard, such as the mass of a particular type of carbon atom. The terms atomic mass and atomic weight are often used interchangeably, although, strictly speaking, they do not mean the same thing. Mass is a measure of the total amount of matter in an object.
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-  Mass: a measure of the amount of matter in an object; a fundamental property of an. object that is not affected by the forces that act on the object, such as gravity.  Element: a substance that cannot be separated or broken down into simpler substances by.
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mass In physics, the property of matter that measures its resistance to acceleration. Roughly, the mass of an object is a measure of the number of atoms in it. The basic unit of measurement for mass is the kilogram.
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- In chemistry, the molar mass M is a physical property defined as the mass of a given substance (chemical element or chemical compound) divided by the amount of substance.[1] The base SI unit for molar mass is kg/mol. However, for historical reasons, molar masses are almost always expressed in g/mol.
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mass Definition of mass. 1  1a : of or relating to the mass of the people mass market; also : being one of or at one with the mass : average mass manb : participated in by or affecting a large number of individuals mass destructionc : having a large-scale character mass plantings of tulips. 2  2 : viewed as a whole : total the mass effect of a design.
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mass it is a measure of a body s resistance to changes in velocity inertial mass and also of the force experienced in a gravitational field gravitational mass according to the theory of relativity inertial and gravitational masses are equal see also inertial mass gravitational mass 8
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- mass noun. 1  1The action of working with someone to produce something. ‘he wrote a book in collaboration with his son’. 2  2Traitorous cooperation with an enemy. ‘he faces charges of collaboration’.
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Mass Conceptually, mass (measured in kilograms) refers to an intrinsic property of an object, whereas weight (measured in newtons) measures an object's resistance to deviating from its natural course of free fall, which can be influenced by the nearby gravitational field.
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Atomic Mass Definition - Atomic Weight Atomic Mass or Weight Definition. Atomic mass or atomic weight is the average mass of atoms of an element, calculated using the relative abundance of isotopes in a naturally-occurring element. Atomic mass indicates the size of an atom.
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What is the definition of mass? In quantum physics, mass can be described as the amount of potential energy contained within a body, and is a measurement of how much energy would be liberated should that mass be converted into energy through mass annihilation using the famous E=mc2 equation. It could also mean church.
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- The mass of a body is a measure of how much matter it contains. An object with mass has a quality called inertia. If you shake an object like a stone in your hand, you would notice that it takes a push to get it moving, and another push to stop it again. If the stone is at rest, it wants to remain at rest.
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Definitions &Translations The mass density or density of a material is its mass per unit volume. The symbol most often used for density is ρ.Mathematically, density is defined as mass divided by volume: where ρ is the density, m is the mass, and V is the volume. In some cases, density is also defined as its weight per unit volume, although this quantity is more properly called specific weight.he mass density or density of a material is its mass per unit volume. The symbol most often used for density is ρ.