91 relations: Aberdeen, American Journal of Physics, Ancient Greek philosophy, Apparent weight, Archimedes, Aristotle, ASTM International, Atomic mass, Balloon, Buoyancy, Centimetre–gram–second system of units, Chemistry, Copernican heliocentrism, Curvature, Drag (physics), Dyne, Ear, Earth, Engineering, Equator, Equivalence principle, Euclid, Euclidean vector, Fluid, Force, Frame of reference, Free fall, French language, G-force, Galileo Galilei, Gas giant, General Conference on Weights and Measures, Gravitational acceleration, Gravity, Gravity of Earth, Human body weight, Inertia, International Bureau of Weights and Measures, International Organization for Standardization, International System of Units, Intrinsic and extrinsic properties, Isaac Newton, ISO/IEC 80000, Jean Buridan, Jupiter, Kilogram, Kilogram-force, Lever, Levitation, Mars, ..., Mass, Matter, Mercury (planet), Momentum, Moon, National Institute of Standards and Technology, Neptune, Newton (unit), Newton's law of universal gravitation, Newton's laws of motion, North Pole, Photosphere, Plato, Pound (force), Pound (mass), Poundal, Proportionality (mathematics), Saturn, Science, SI base unit, Slug (unit), Spacetime, Spring scale, Standard gravity, Sun, Surface gravity, Sydney, Tare weight, The Physics Teacher, Theory of impetus, Theory of relativity, Unit of measurement, United States customary units, Uranus, Venus, Vestibular system, Weighing scale, Weight, Weight (disambiguation), Weightlessness, Wey (unit). Expand index (41 more) »

## Aberdeen

Aberdeen (Aiberdeen,; Obar Dheathain; Aberdonia) is Scotland's third most populous city, one of Scotland's 32 local government council areas and the United Kingdom's 37th most populous built-up area, with an official population estimate of 196,670 for the city of Aberdeen and for the local authority area.

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## American Journal of Physics

The American Journal of Physics is a monthly, peer-reviewed scientific journal published by the American Association of Physics Teachers and the American Institute of Physics.

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## Ancient Greek philosophy

Ancient Greek philosophy arose in the 6th century BC and continued throughout the Hellenistic period and the period in which Ancient Greece was part of the Roman Empire.

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## Apparent weight

In physics, apparent weight is a property of objects that corresponds to how heavy an object is.

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## Archimedes

Archimedes of Syracuse (Ἀρχιμήδης) was a Greek mathematician, physicist, engineer, inventor, and astronomer.

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## Aristotle

Aristotle (Ἀριστοτέλης Aristotélēs,; 384–322 BC) was an ancient Greek philosopher and scientist born in the city of Stagira, Chalkidiki, in the north of Classical Greece.

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## ASTM International

ASTM International is an international standards organization that develops and publishes voluntary consensus technical standards for a wide range of materials, products, systems, and services.

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## Atomic mass

The atomic mass (ma) is the mass of an atom.

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## Balloon

A balloon is a flexible bag that can be inflated with a gas, such as helium, hydrogen, nitrous oxide, oxygen, air or water.

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## Buoyancy

In physics, buoyancy or upthrust, is an upward force exerted by a fluid that opposes the weight of an immersed object.

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## Centimetre–gram–second system of units

The centimetre–gram–second system of units (abbreviated CGS or cgs) is a variant of the metric system based on the centimetre as the unit of length, the gram as the unit of mass, and the second as the unit of time.

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## Chemistry

Chemistry is the scientific discipline involved with compounds composed of atoms, i.e. elements, and molecules, i.e. combinations of atoms: their composition, structure, properties, behavior and the changes they undergo during a reaction with other compounds.

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## Copernican heliocentrism

Copernican heliocentrism is the name given to the astronomical model developed by Nicolaus Copernicus and published in 1543.

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## Curvature

In mathematics, curvature is any of a number of loosely related concepts in different areas of geometry.

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## Drag (physics)

In fluid dynamics, drag (sometimes called air resistance, a type of friction, or fluid resistance, another type of friction or fluid friction) is a force acting opposite to the relative motion of any object moving with respect to a surrounding fluid.

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## Dyne

The dyne (symbol dyn, from Greek δύναμις, dynamis, meaning power, force) is a derived unit of force specified in the centimetre–gram–second (CGS) system of units, a predecessor of the modern SI.

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## Ear

The ear is the organ of hearing and, in mammals, balance.

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## Earth

Earth is the third planet from the Sun and the only astronomical object known to harbor life.

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## Engineering

Engineering is the creative application of science, mathematical methods, and empirical evidence to the innovation, design, construction, operation and maintenance of structures, machines, materials, devices, systems, processes, and organizations.

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## Equator

An equator of a rotating spheroid (such as a planet) is its zeroth circle of latitude (parallel).

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## Equivalence principle

In the theory of general relativity, the equivalence principle is any of several related concepts dealing with the equivalence of gravitational and inertial mass, and to Albert Einstein's observation that the gravitational "force" as experienced locally while standing on a massive body (such as the Earth) is the same as the pseudo-force experienced by an observer in a non-inertial (accelerated) frame of reference.

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## Euclid

Euclid (Εὐκλείδης Eukleidēs; fl. 300 BC), sometimes given the name Euclid of Alexandria to distinguish him from Euclides of Megara, was a Greek mathematician, often referred to as the "founder of geometry" or the "father of geometry".

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## Euclidean vector

In mathematics, physics, and engineering, a Euclidean vector (sometimes called a geometric or spatial vector, or—as here—simply a vector) is a geometric object that has magnitude (or length) and direction.

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## Fluid

In physics, a fluid is a substance that continually deforms (flows) under an applied shear stress.

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## Force

In physics, a force is any interaction that, when unopposed, will change the motion of an object.

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## Frame of reference

In physics, a frame of reference (or reference frame) consists of an abstract coordinate system and the set of physical reference points that uniquely fix (locate and orient) the coordinate system and standardize measurements.

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## Free fall

In Newtonian physics, free fall is any motion of a body where gravity is the only force acting upon it.

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## French language

French (le français or la langue française) is a Romance language of the Indo-European family.

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## G-force

The gravitational force, or more commonly, g-force, is a measurement of the type of acceleration that causes a perception of weight.

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## Galileo Galilei

Galileo Galilei (15 February 1564Drake (1978, p. 1). The date of Galileo's birth is given according to the Julian calendar, which was then in force throughout Christendom. In 1582 it was replaced in Italy and several other Catholic countries with the Gregorian calendar. Unless otherwise indicated, dates in this article are given according to the Gregorian calendar. – 8 January 1642) was an Italian polymath.

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## Gas giant

A gas giant is a giant planet composed mainly of hydrogen and helium.

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## General Conference on Weights and Measures

The General Conference on Weights and Measures (Conférence générale des poids et mesures – CGPM) is the supreme authority of the International Bureau of Weights and Measures (Bureau international des poids et mesures – BIPM), the inter-governmental organization established in 1875 under the terms of the Metre Convention (Convention du Mètre) through which Member States act together on matters related to measurement science and measurement standards.

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## Gravitational acceleration

In physics, gravitational acceleration is the acceleration on an object caused by the force of gravitation.

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## Gravity

Gravity, or gravitation, is a natural phenomenon by which all things with mass or energy—including planets, stars, galaxies, and even light—are brought toward (or gravitate toward) one another.

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## Gravity of Earth

The gravity of Earth, which is denoted by, refers to the acceleration that is imparted to objects due to the distribution of mass within Earth.

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## Human body weight

Human body weight refers to a person's mass or weight.

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## Inertia

Inertia is the resistance of any physical object to any change in its position and state of motion.

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## International Bureau of Weights and Measures

The International Bureau of Weights and Measures (Bureau international des poids et mesures) is an intergovernmental organization established by the Metre Convention, through which Member States act together on matters related to measurement science and measurement standards.

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## International Organization for Standardization

The International Organization for Standardization (ISO) is an international standard-setting body composed of representatives from various national standards organizations.

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## International System of Units

The International System of Units (SI, abbreviated from the French Système international (d'unités)) is the modern form of the metric system, and is the most widely used system of measurement.

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## Intrinsic and extrinsic properties

An intrinsic property is a property of a system or of a material itself or within.

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## Isaac Newton

Sir Isaac Newton (25 December 1642 – 20 March 1726/27) was an English mathematician, astronomer, theologian, author and physicist (described in his own day as a "natural philosopher") who is widely recognised as one of the most influential scientists of all time, and a key figure in the scientific revolution.

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## ISO/IEC 80000

ISO 80000 or IEC 80000 is an international standard promulgated jointly by the International Organization for Standardization (ISO) and the International Electrotechnical Commission (IEC).

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## Jean Buridan

Jean Buridan (Latin: Johannes Buridanus; –) was an influential 14th century French philosopher.

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## Jupiter

Jupiter is the fifth planet from the Sun and the largest in the Solar System.

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## Kilogram

The kilogram or kilogramme (symbol: kg) is the base unit of mass in the International System of Units (SI), and is defined as being equal to the mass of the International Prototype of the Kilogram (IPK, also known as "Le Grand K" or "Big K"), a cylinder of platinum-iridium alloy stored by the International Bureau of Weights and Measures at Saint-Cloud, France.

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## Kilogram-force

The kilogram-force (kgf or kgF), or kilopond (kp, from Latin pondus meaning weight), is a gravitational metric unit of force.

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## Lever

A lever is a simple machine consisting of a beam or rigid rod pivoted at a fixed hinge, or fulcrum.

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## Levitation

Levitation (from Latin levitas "lightness") is the process by which an object is held aloft, without mechanical support, in a stable position.

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## Mars

Mars is the fourth planet from the Sun and the second-smallest planet in the Solar System after Mercury.

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## Mass

Mass is both a property of a physical body and a measure of its resistance to acceleration (a change in its state of motion) when a net force is applied.

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## Matter

In the classical physics observed in everyday life, matter is any substance that has mass and takes up space by having volume.

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## Mercury (planet)

Mercury is the smallest and innermost planet in the Solar System.

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## Momentum

In Newtonian mechanics, linear momentum, translational momentum, or simply momentum (pl. momenta) is the product of the mass and velocity of an object.

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## Moon

The Moon is an astronomical body that orbits planet Earth and is Earth's only permanent natural satellite.

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## National Institute of Standards and Technology

The National Institute of Standards and Technology (NIST) is one of the oldest physical science laboratories in the United States.

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## Neptune

Neptune is the eighth and farthest known planet from the Sun in the Solar System.

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## Newton (unit)

The newton (symbol: N) is the International System of Units (SI) derived unit of force.

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## Newton's law of universal gravitation

Newton's law of universal gravitation states that a particle attracts every other particle in the universe with a force which is directly proportional to the product of their masses and inversely proportional to the square of the distance between their centers.

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## Newton's laws of motion

Newton's laws of motion are three physical laws that, together, laid the foundation for classical mechanics.

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## North Pole

The North Pole, also known as the Geographic North Pole or Terrestrial North Pole, is (subject to the caveats explained below) defined as the point in the Northern Hemisphere where the Earth's axis of rotation meets its surface.

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## Photosphere

The photosphere is a star's outer shell from which light is radiated.

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## Plato

Plato (Πλάτων Plátōn, in Classical Attic; 428/427 or 424/423 – 348/347 BC) was a philosopher in Classical Greece and the founder of the Academy in Athens, the first institution of higher learning in the Western world.

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## Pound (force)

The pound-force (symbol: lbf, sometimes lbf) is a unit of force used in some systems of measurement including English Engineering units and the British Gravitational System.

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## Pound (mass)

The pound or pound-mass is a unit of mass used in the imperial, United States customary and other systems of measurement.

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## Poundal

The poundal (symbol: pdl) is a unit of force that is part of the foot–pound–second system of units, in Imperial units introduced in 1877, and is from the specialized subsystem of English absolute (a coherent system).

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## Proportionality (mathematics)

In mathematics, two variables are proportional if there is always a constant ratio between them.

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## Saturn

Saturn is the sixth planet from the Sun and the second-largest in the Solar System, after Jupiter.

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## Science

R. P. Feynman, The Feynman Lectures on Physics, Vol.1, Chaps.1,2,&3.

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## SI base unit

The International System of Units (SI) defines seven units of measure as a basic set from which all other SI units can be derived.

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## Slug (unit)

The slug is a derived unit of mass in the weight-based system of measures, most notably within the British Imperial measurement system and in the United States customary measures system.

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## Spacetime

In physics, spacetime is any mathematical model that fuses the three dimensions of space and the one dimension of time into a single four-dimensional continuum.

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## Spring scale

A spring scale or spring balance or newton meter is a type of weighing scale.

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## Standard gravity

The standard acceleration due to gravity (or standard acceleration of free fall), sometimes abbreviated as standard gravity, usually denoted by or, is the nominal gravitational acceleration of an object in a vacuum near the surface of the Earth.

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## Sun

The Sun is the star at the center of the Solar System.

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## Surface gravity

The surface gravity, g, of an astronomical or other object is the gravitational acceleration experienced at its surface.

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## Sydney

Sydney is the state capital of New South Wales and the most populous city in Australia and Oceania.

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## Tare weight

Tare weight, sometimes called unladen weight, is the weight of an empty vehicle or container.

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## The Physics Teacher

The Physics Teacher is a peer-reviewed academic journal published by AIP Publishing on behalf of the American Association of Physics Teachers covering the history and philosophy of physics, applied physics, physics education (curriculum developments, pedagogy, instructional lab equipment, etc.), and book reviews.

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## Theory of impetus

The theory of impetus was an auxiliary or secondary theory of Aristotelian dynamics, put forth initially to explain projectile motion against gravity.

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## Theory of relativity

The theory of relativity usually encompasses two interrelated theories by Albert Einstein: special relativity and general relativity.

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## Unit of measurement

A unit of measurement is a definite magnitude of a quantity, defined and adopted by convention or by law, that is used as a standard for measurement of the same kind of quantity.

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## United States customary units

United States customary units are a system of measurements commonly used in the United States.

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## Uranus

Uranus is the seventh planet from the Sun.

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## Venus

Venus is the second planet from the Sun, orbiting it every 224.7 Earth days.

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## Vestibular system

The vestibular system, in most mammals, is the sensory system that provides the leading contribution to the sense of balance and spatial orientation for the purpose of coordinating movement with balance. Together with the cochlea, a part of the auditory system, it constitutes the labyrinth of the inner ear in most mammals.

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## Weighing scale

Weighing scales (or weigh scales or scales) are devices to measure weight.

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## Weight

In science and engineering, the weight of an object is related to the amount of force acting on the object, either due to gravity or to a reaction force that holds it in place.

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## Weight (disambiguation)

Weight is a measurement of the gravitational force acting on an object.

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## Weightlessness

Weightlessness, or an absence of weight, is an absence of stress and strain resulting from externally applied mechanical contact-forces, typically normal forces (from floors, seats, beds, scales, etc.). Counterintuitively, a uniform gravitational field does not by itself cause stress or strain, and a body in free fall in such an environment experiences no g-force acceleration and feels weightless.

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## Wey (unit)

The wey or weight (Old English: ƿæᵹe, waege, "weight") was an English unit of weight and dry volume by at least 900, when it begins to be mentioned in surviving legal codes.

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## Redirects here:

Gross rail load, Gross weight, Laden weight, Measure of weight, Net weight, Nett weight, Ponderous, Units of weight, Weigh, Weighing, Weighty, Wieght.

## References

[1] https://en.wikipedia.org/wiki/Weight