what is mass in science mean
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- In science, mass is the amount of matter an object has. Newton's second law says that mass is the property of matter that determines the force required to impart a given acceleration to an object. Continue Reading.
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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.
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Mass A fundamental property of most particles of matter. The amount of mass contained in an object contributes to the strength of its gravitational field. Every mass attracts every other mass in the universe according to Newton's law of gravity. Along with length and time, mass is one of the properties which describe anything in the universe. It was this realisation of the significance of mass by Isaac Newton and others in the 17th century that helped usher in the modern scientific era.
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What is the difference between mass and capacity? What is the difference between mass and molar mass? Mass is the amount of matter in a particular object. Molar mass is a chemistry term, and is the amount of mass per mole of a particle.
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What Does Mean Mean In The Maths Terms? What does the math term math mass mean? mass is the density of any given object. what i mean by this is that it is how closely together the molecules are placed, aka the density.
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- Atomic mass. The atomic mass (ma) is the mass of an atom. Its unit is the unified atomic mass units (symbol: u, or Da) where 1 unified atomic mass unit is defined as 1⁄12 of the mass of a single carbon-12 atom, at rest.
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Mass versus weight V. Mass and Weight. [NOTE 1, See page 6] The mass of an object is a measure of the object’s inertial property, or the amount of matter it contains. The weight of an object is a measure of the force exerted on the object by gravity, or the force needed to support it. The pull of gravity on the earth gives an object a downward acceleration of about 9.8 m/s 2. In trade and commerce and everyday use, the term weight is often used as a synonym for mass..
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Mass A measure of how much matter is in an object. This gold bar is quite small but has a mass of 1 kilogram (about 2.2 pounds), so it contains a lot of matter. Mass is commonly measured by how much something weighs. But weight can change for different locations (such as on the moon) while the mass stays the same. Mass is measured in grams, kilograms and, tonnes (Metric) or ounces and pounds (US units) See: Weight
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What Is Mass? Mass is the quantity of inertia (resistance to acceleration) possessed by an object or the proportion between force and acceleration referred to in Newton's Second Law of Motion (force equals mass times acceleration). In other words, the more mass an object has, the more force it takes to get it moving.
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Mass To make this a non-trivial question, one must consider three definitions of mass: 1  The acceleration of a body is. 2  The force acting on a body due to gravity is. 3  The strength of the gravitational field, an acceleration, caused by the presence of a body is.
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Mass Definition of Mass. Mass is the quantity of matter in an object. More About Mass. Mass is often called as weight. Mass can be measured in both metric and customary units. Kilogram, gram, and milligram are the metric units whereas ounces and pounds are the customary units.
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What is the definition of mass? Inertial mass (which leads to momentum) is a measurement of a body's resistance to a change in velocity when an external force is applied to that body. Gravitational mass (which leads to weight) is the magnitude of a body's interaction with a known gravitational field.
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Physics for Kids Mass is a measurement of how much matter is in an object. Mass is a combination of the total number of atoms, the density of the atoms, and the type of atoms in an object. How to Measure Mass.
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What Is The Difference Between Mass And Weight? Some other key points about mass. 1  Mass is indestructible. As you've seen above, no matter where you are in the universe your mass will never change. 2  Mass can never be zero. What we mean by this is that everything in the universe has mass. 3  Mass is not related to gravity, centrifugal force, etc and these forces have no effect whatsoever on your mass.
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Mass The simple classical mechanics definition of mass is slightly different than the definition in the theory of special relativity, but the essential meaning is the same. In classical mechanics, according to Newton's second law, we say that a body has a mass m if, at any instant of time, it obeys the equation of motion
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mass (m) where F is the applied force in newton s, m is the mass of the object or particle in kilograms, and a is the resulting acceleration in meters per second squared. The mass of an object can be calculated if the force and the acceleration are known. Mass is not the same thing as weight. Weight has meaning only when an object having a specific mass is placed in an acceleration field, such as the gravitational field of the earth.
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mass mass. 1  a body of coherent matter, usually of indefinite shape and often of considerable size: a mass of dough. 2  a collection of incoherent particles, parts, or objects regarded as forming one body: a mass of sand. 3  aggregate; whole (usually preceded by in the): People, in the mass, mean well.
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Definitions &Translations Definitions for atomic mass. atomic mass, atomic weight, relative atomic mass(noun) (chemistry) the mass of an atom of a chemical element expressed in atomic mass units. atomic mass(Noun) The mass of an atom. atomic mass(Noun) atomic weight; the average mass of atoms of an element.
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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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- What does the word air mass mean in science terms? It's a body of air with horizontally uniform temperature, humidity, and pressure. Air masses play an important role in our weather.
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Mass In physics, mass is a property of a physical body. It is the measure of an object's resistance to acceleration (a change in its state of motion) when a force is applied. It also determines the strength of its mutual gravitational attraction to other bodies. In the theory of relativity a related concept is the mass–energy content of a system.
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mass 1. relative atomic mass - (chemistry) the mass of an atom of a chemical element expressed in atomic mass units. atomic mass, atomic weight. mass-the property of a body that causes it to have weight in a gravitational field.
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- mass noun. 1  1The matter from which a thing is or can be made. ‘goats can eat more or less any plant material’. 2  2Information or ideas for use in creating a book or other work. ‘his colonial experiences gave him material’. 3  3Cloth or fabric. ‘a piece of dark material’.
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Questions and Answers The difference between mass and weight causes a lot of confusion amongst a lot of people. Put simply, weight is a measure of gravity's effect on something. Mass is the amount of matter in an object. Move to a different planet and an object's weight will change, but its mass will be the same.There are a couple of ways to measure mass. The most common method is to use a balance.Hey, wait a minute! (you should be saying) People weigh stuff all the time with a balance! Think about it.ove to a different planet and an object's weight will change, but its mass will be the same. There are a couple of ways to measure mass. The most common method is to use a balance. Hey, wait a minute! (you should be saying) People weigh stuff all the time with a balance! Think about it.
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Molar mass 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 its amount of substance. The base SI unit for molar mass is kg / mol.
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mass The inertial mass of a body is a measure of the body's resistance to acceleration by some external force. One body has twice as much inertial mass as another body if it offers twice as much force in opposition to the same acceleration.