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1 U.S. gallon = 4 qt = 3,785 l It is the resulting thickness when the mass of copper is pressed flat and spread evenly over a one-square-foot area. What force does he apply if the stone accelerates at a rate of 1.5 m/s2? is one of three units of volume. The dimensionless quantities that are used for the derivation of derived physical quantities along with fundamental units are known as supplementary units. In the International System of Units (SI), the kilogram is the basic unit of mass, and the newton is the basic unit of force.The non-SI kilogram-force is also a unit of force typically used in the measure of weight. For common usage, weight is directly proportional to mass so this distinction is not critical to unit conversions. Commonly Used Distance Units. Mass and weight seem interchangeable, but they are completely different. In both the SI system (the International System of Units) and in the MKS system, the unit of mass is kilogram, abbreviated as kg, and the unit of acceleration is m/s. It is not a constant quantity, measured in Newton and is a vector quantity. [18], The most common unit of measure for the copper thickness on a printed circuit board (PCB) is ounces (oz), as in mass. fl.) The SI unit for weight is the newton. We use the preceding definition of weight, force \(\vec{w}\) due to gravity acting on an object of mass m, and we make careful distinctions between free fall and actual weightlessness. scientists also write the equation as F = mg. The system of units which has derived units obtained from the base units without any numerical factor other than 1 is the coherent system of units. [6] For example, the German apothecaries' ounce of 30 grams, is very close to the previously widespread Nuremberg ounce, but the divisions and multiples come out in metric. As explained earlier, the SI unit of force is the newton. Consider an object with mass m falling toward Earth. This is a sign that the device is very sensitive to a force, and therefore to your weight. Mass has dimensions of kilograms in the SI system. Suppose we employ a system of units in which the unit of mass equals a kg, the unit of length equals j8 m, the. The International System - SI. It was not until the late 1940s that the Newton was adopted as a unit of force. Coffee cup. proper: In 1937 the IJkwet of the Netherlands officially abolished the term, but it is still commonly used. Whereas weight is the force with which an object gets pulled towards the earth. A fluid ounce (abbreviated fl oz, fl. 0.0000000134. si () to dhurra. To learn more about the si unit for mass and other units, visit BYJU'S. Si molecular weight Molar mass of Si = 28.0855 g/mol Convert grams Si to moles or moles Si to grams Percent composition by element Similar chemical formulas Note that all formulas are case-sensitive. Mass of an object is measured by the SI Unit of mass that is the kilogram (kg). The units of mass are kilograms (kg), whereas the units of weight are Newtons (N). Mass and Weight. However, it should not be concluded that a bathroom scale measures your mass and not your weight. In simple terms, mass is the quantity of matter in an object. The SI base unit is defined by the "mass" type. As a result of the EUs General Data Protection Regulation (GDPR). In physics, however, there is an important distinction. Key Difference: Mass is the amount of matter that an object has. Whereas, weight is the effect that the gravitational pull has on the mass of the object. While this distinction should apply to Body Mass and Body Weight, in reality, Body Weight might refer to the bodys weight or the bodys mass. Where one kilogram is a 1000 grams (g), [2] The term 'Ounce' was borrowed twice: first into Old English as ynsan or yndsan from an unattested Vulgar Latin form with ts for c before i (palatalization) and second into Middle English through Anglo-Norman and Middle French (unce, once, ounce). The quantity or amount of matter of an object is determined by the numbers of atoms and molecules of various types it contains. Substituting these into Newtons second law gives us the following equations. It is also listed as standard usage in Indonesia's national dictionary, the Kamus Besar Bahasa Indonesia, and the government's official elementary-school curriculum.[9]. In the United Kingdom it ceased to be an independent unit of measure in 2000,[4] but may still be seen as an (imprecise) indicator of portion sizes in burger and steak restaurants. Espaol. 1 ounce liquid (fl oz) = 29.56 ml. As a result: The international avoirdupois ounce (abbreviated oz) is defined as exactly 28.349523125g under the international yard and pound agreement of 1959, signed by the United States and countries of the Commonwealth of Nations. It is a constant quantity measured in kilograms and is a scalar quantity. Weight & Mass: Historically there are three different weight systems, all based on Mass and Weight - Conversion The mass is one of the fundamental metric in the International System of Units, that is measured in kilograms (kg). Lets look at the SI unit for mass and other units of mass in this article. The imperial unit is [lb/ft 3]. 9.807 m/s 2 = standard gravity close to earth in the SI system. The modern concept of mass was introduced by Isaac Newton. To apply Newtons second law as the primary equation in solving a problem, we sometimes have to rely on other equations, such as the one for weight or one of the kinematic equations, to complete the solution. In the international system, the unit of measurement for weight is Newton. Even though an atom is infinitely small compared to what surrounds us, it has a certain mass which cannot change. Calculating the Weight. What is the unit of weight and mass? Kilograms are used to measure heavier objects and grams are used to measure lightweight objects. 1 oz will roughly equal 34.7m. In the "engineering" systems (middle column), the weight of the mass unit (pound Mass is defined as the matter that is present in the given object. In addition, it is difficult to count and identify all of the atoms and molecules in an object, so mass is rarely determined in this manner. He lifts a stone that weighs 40.0 lb. And its SI is that of force that is the newton. kilogram-force square second/meter to kilogram, kilogram to kilogram-force square second/meter, pound-force square second/foot to kilogram, kilogram to pound-force square second/foot, tetradrachma (Biblical Greek) to kilogram, kilogram to tetradrachma (Biblical Greek), 1 ounce [oz] = 0.0283495231 kilogram [kg], 1 ton (short) [ton (US)] = 907.18474 kilogram [kg], 1 ton (long) [ton (UK)] = 1016.0469088 kilogram [kg], 1 Atomic mass unit [u] = 1.6605402E-27 kilogram [kg], 1 petagram [Pg] = 1000000000000 kilogram [kg], 1 teragram [Tg] = 1000000000 kilogram [kg], 1 dalton = 1.6605300000013E-27 kilogram [kg], 1 kilogram-force square second/meter = 9.80665 kilogram [kg], 1 kilopound [kip] = 453.59237 kilogram [kg], 1 pound-force square second/foot = 14.5939029372 kilogram [kg], 1 pound (troy or apothecary) = 0.3732417216 kilogram [kg], 1 poundal [pdl] = 0.0140867196 kilogram [kg], 1 ton (assay) (US) [AT (US)] = 0.02916667 kilogram [kg], 1 ton (assay) (UK) [AT (UK)] = 0.0326666667 kilogram [kg], 1 kiloton (metric) [kt] = 1000000 kilogram [kg], 1 quintal (metric) [cwt] = 100 kilogram [kg], 1 hundredweight (US) = 45.359237 kilogram [kg], 1 hundredweight (UK) = 50.80234544 kilogram [kg], 1 quarter (US) [qr (US)] = 11.33980925 kilogram [kg], 1 quarter (UK) [qr (UK)] = 12.70058636 kilogram [kg], 1 pennyweight [pwt] = 0.0015551738 kilogram [kg], 1 scruple (apothecary) [s.ap] = 0.0012959782 kilogram [kg], 1 talent (Biblical Hebrew) = 34.2 kilogram [kg], 1 mina (Biblical Hebrew) = 0.57 kilogram [kg], 1 shekel (Biblical Hebrew) = 0.0114 kilogram [kg], 1 bekan (Biblical Hebrew) = 0.0057 kilogram [kg], 1 gerah (Biblical Hebrew) = 0.00057 kilogram [kg], 1 talent (Biblical Greek) = 20.4 kilogram [kg], 1 mina (Biblical Greek) = 0.34 kilogram [kg], 1 tetradrachma (Biblical Greek) = 0.0136 kilogram [kg], 1 didrachma (Biblical Greek) = 0.0068 kilogram [kg], 1 drachma (Biblical Greek) = 0.0034 kilogram [kg], 1 denarius (Biblical Roman) = 0.00385 kilogram [kg], 1 assarion (Biblical Roman) = 0.000240625 kilogram [kg], 1 quadrans (Biblical Roman) = 6.01563E-5 kilogram [kg], 1 lepton (Biblical Roman) = 3.00781E-5 kilogram [kg], 1 Electron mass (rest) = 9.1093897E-31 kilogram [kg], 1 Muon mass = 1.8835327E-28 kilogram [kg], 1 Proton mass = 1.6726231E-27 kilogram [kg], 1 Neutron mass = 1.6749286E-27 kilogram [kg], 1 Deuteron mass = 3.343586E-27 kilogram [kg], 1 Earth's mass = 5.9760000000002E+24 kilogram [kg]. The mole is defined as containing exactly 6.022 140 76 10 23 elementary entities. Mass General Brigham is honored to have five nationally ranked hospitals based on U.S. News & World Report Best Hospitals for 2022-2023. Weight is defined as the force of gravity on an object. Mass is the measure of the amount of matter in a body. Mass is denoted using m or M. Weight is the measure of the amount of force acting on a mass due to the acceleration due to gravity. Weight usually is denoted by W. Weight is mass multiplied by the acceleration of gravity (g). PubMed comprises more than 34 million citations for biomedical literature from MEDLINE, life science journals, and online books. The difference between mass and weight is that mass is the quantity of matter that is contained in an object. The unit of measurement for weight is Newton. It is customarily not identified or differentiated. Acceleration due to gravity g varies slightly over the surface of Earth, so the weight of an object depends on its location and is not an intrinsic property of the object. Weight and mass are two important concepts in physics; important and related, but quite distinct, Mass and Weight are difference | SI Units of Mass, PHYSICS | Fundamental SI Units of Measurement, SI Derived Units, Names and Symbols. It is primarily used in the United States to measure packaged foods and food portions, postal items, areal density of fabric and paper, boxing gloves, and so on, but it is sometimes also used elsewhere in the Anglosphere. The unit of measure for mass is grams (g). Warning : Weight is a force that results from the action of gravity on matter. There is no SI unit for weight, the SI unit for mass is kilogram. Equation (2) for a body with 1 kg mass can be expressed as: F g = (1 kg) (9.807 m/s 2) = 9.807 (N) where. It is defined as 1 12 of the mass of an unbound neutral atom of carbon-12 in its nuclear and electronic ground state and at rest. Power-to-weight ratio is a measurement of actual performance of any engine or power source. Weight increases or decreases with higher or lower gravity. SI Unit of Weight. 2019 definition: The kilogram, symbol kg, is the SI unit of mass. This is not a SI-unit, therefore less impeccable. 1 newton is equal to 0.224808943871 pounds. The difference between mass and weight is that mass is the quantity of matter that is contained in an object. Here we provide conversion for the units after this change. Weight is the gravitational interaction between objects that have mass. ; A light-year (ly), the distance travelled by light in one year, or 9.46 10 The gram (g) is equal to 11000 of a However, one important point students should remember here is that mass is different from the weight even though the terms are sometimes used interchangeably. No tracking or performance measurement cookies were served with this page. The base SI unit of mass is the kilogram or kg, which was originally defined as the mass of 1 L of liquid water at 4 o C (the volume of a liquid changes slightly with temperature). The ounce is still a standard unit in the United States. The dalton or unified atomic mass unit (symbols: Da or u) is a non-SI unit of mass widely used in physics and chemistry. We also acknowledge previous National Science Foundation support under grant numbers 1246120, 1525057, and 1413739. Login. Mass and weight are often used interchangeably in everyday conversation. Following are the most commonly used units for the measurement of mass: Other units that are accepted as the units of mass are gram (g) and its multiples and submultiples, a tonne (t) (or metric ton), electronvolt (eV), the atomic mass unit (u) which is most convenient for expressing the masses of atoms and molecules. The basic SI unit for mass is the kilogram (kg), but smaller masses may be measured in grams (g). Then we see that Kg is the SI unit of mass. How are they linked? But it is very convenient for comparing weights anywhere with weights on earth. Mass and weight are often confused. (A kilogram bullion bar contains 32.151 troy ounces.). The SI unit of Weight is Newton (N). Troy weight is a system of units of mass that originated in 15th-century England, and is primarily used in the precious metals industry. In the "engineering" systems (middle column), the weight of the mass unit (pound-mass) on Earth's surface is approximately equal to the force unit (pound-force). Body mass index (BMI) is a measure of body fat based on height and weight that applies to adult men and women. For example, an object with a mass of one kilogram has a weight of about 9.8 newtons on the surface of the Earth In 1820, the Dutch redefined their ounce (in Dutch, ons) as 100 grams. Previously, we used the kilogram-force, hence the confusion on the scale. This is SI (International System) unit for weight is newton (N). Please note that these explanations are simplified. We are not permitting internet traffic to Byjus website from countries within European Union at this time. si () to candy. The avoirdupois ounce (exactly 28.349523125 g) is 1 16 avoirdupois pound; this is the United States customary and British imperial ounce. Weight definition in physics. Liter (L) Mass kilogram (kg) Metric. If air resistance is negligible, the net force on a falling object is the gravitational force, commonly called its weight \(\vec{w}\), or its force due to gravity acting on an object of mass m. Weight can be denoted as a vector because it has a direction; down is, by definition, the direction of gravity, and hence, weight is a downward force. The troy grain is equal to the grain unit of the avoirdupois system, but the troy ounce is heavier than the Although almost the entire world uses the newton for the unit of force, in the United States, the most familiar unit of force is the pound (lb), where 1 N = 0.225 lb. After more than twenty years, Questia is discontinuing operations as of Monday, December 21, 2020. Dutch amendments to the metric system, such as an ons or 100grams, has been inherited, adopted, and taught in Indonesia beginning in elementary school. NCERT Solutions. View the BMI tables or use the tool below to compute yours. This page titled 6.5: Mass and Weight is shared under a CC BY license and was authored, remixed, and/or curated by OpenStax. In the International System of Units (SI), the kilogram is the basic unit of mass, and the newton is In the International System of Units (SI), the kilogram is the It experiences only the downward force of gravity, which is the weight \(\vec{w}\). Put your understanding of this concept to test by answering a few MCQs. (about 180 N). The "ounce" in "ounce-force" is equivalent to an avoirdupois ounce; ounce-force is a measurement of force using avoirdupois ounces. What are the differences, and why is it important to know them? We were given the weight of the stone, which we use in finding the net force on the stone. When the net external force on an object is its weight, we say that it is in free fall, that is, the only force acting on the object is gravity. But by comparing an object on Earth with one on the Moon, we can easily see a variation in weight but not in mass. The SI unit of volume is the cubic meter (m 3), which is a derived unit. So what is mass? Legal. To measure this amount of material, a balance must be used. A "cup" of coffee in the US is usually 4 fluid ounces (118 ml), brewed using 5 fluid ounces (148 ml) of water. Ans: We know that Density = = Mass/Volume . 1. The standard acceleration due to gravity (or standard acceleration of free fall), sometimes abbreviated as standard gravity, usually denoted by 0 or n, is the nominal gravitational acceleration of an object in a vacuum near the surface of the Earth.It is defined by standard as 9.806 65 m/s 2 (about 32.174 05 ft/s 2).This value was established by the 3rd CGPM (1901, CR NCERT Solutions For Class 12. Unit of Mass and Weight In physics, each object has a unit that determines the standard measurement of that body. Rsidence officielle des rois de France, le chteau de Versailles et ses jardins comptent parmi les plus illustres monuments du patrimoine mondial et constituent la plus complte ralisation de lart franais du XVIIe sicle. The NIST SP 330 2019 version has been published and reflects the changes incorporated in the BIPM SI Brochure (9 th Edition). The base SI unit of mass is the kilogram or kg, which was originally defined as the mass of \(1 \: \text{L}\) of liquid water at \(4^\text{o} \text{C}\) (the volume of a liquid changes Mass ( m) is an inherent property of an object which specifies how much resistance it exhibits to changes in velocity, and corresponds to the intuitive concept of how much matter there is in an object. Power-to-weight ratio (PWR, also called specific power, or power-to-mass ratio) is a calculation commonly applied to engines and mobile power sources to enable the comparison of one unit or design to another. Therefore, the SI unit of weight can be measured in kgm/s 2 (kilograms You have a rock with mass of 60g and density 2 g/cm 3. In the laboratory, mass is measured with a balance ( Figure 1 ), which must be calibrated with a standard mass so that its measurements are accurate. Of course, it is useful to know the different sub-units of measurement: The commonly used unit of mass is the pound (pound, abbreviated lbs), equal to 0.453 592 37 kg. What replaces the si unit pound to? NOTE: The BIPM SI Brochure (9 th Edition) was published on May 20, 2019. We will answer these questions in this article. The units of mass are kilograms (kg), whereas the units of weight are Newtons (N). It is defined as the force exerted by a mass of one avoirdupous ounce under standard gravity (at the surface of the earth, its weight). The pound is divided into sixteen ounces (ounce, oz), with one ounce equivalent to about 0.028 kg. The kilogram (also kilogramme) is the base unit of mass in the International System of Units (SI), the metric system, having the unit symbol kg. It is a widely used measure in science, engineering and commerce worldwide, and is often simply called a kilo colloquially. It means 'one thousand grams '. The site owner may have set restrictions that prevent you from accessing the site. Use the formula "w = m x g" to convert weight into mass. ; The Astronomical Unit (AU) is the mean distance from the Earth to the Sun, 1.496 10 13 cm, or about 93 million miles. Unlike weight, mass does not vary with location. The equation Fnet = ma is used to define net force in terms of mass, length, and time. Specific Weight (or force per unit volume) can be expressed as. Background. The kilogram is the only SI base unit that contains a prefix. Newtons second law says that the magnitude of the net external force on an object is \(\vec{F}_{net} = m \vec{a}\). Mass of an object is measured by the SI Unit of mass that is the kilogram (kg). [3] The abbreviation oz came later from the cognate Italian word onza, pronounced [ontsa] (now oncia, pronounced [onta]). For normal samples from earth with typical isotope composition, the atomic weight can be approximated by the standard atomic weight or the conventional atomic weight.. M(H) = 1.007 The mass of a body gives an indication of the amount of matter that constitutes it. This is convenient because one pound mass exerts one pound force due to gravity. 1 pint (pt) = 16 fl oz = 0.473 l Weight is a force that is caused by the gravitational pull of the Earth toward its surface. A 1.0-kg mass thus has a weight of 9.8 N on Earth and only about 1.7 N on the Moon. As a result of the EUs General Data Protection Regulation (GDPR). Mass is related to Force, because it can be measured by determining the amount of Force needed to change the direction or speed of an object. The SI unit of weight is the same as that of force: the newton (N) a derived unit which can also be expressed in SI base units as kgm/s 2 (kilograms times metres per second squared). Bullion coins are the most common products produced and marketed in troy ounces, but precious metal bars also exist in gram and kilogram (kg) sizes. More significantly, it can be both a property of a physical body and a measure of its resistance to acceleration when some amount of force is applied. For common usage, weight is directly proportional to mass so this distinction is not critical to unit conversions. 5000 g / 1000 [ (g) / (kg) ] = 5 kg. For example, our medical records often show our weight in kilograms but never in the correct units of newtons. There are also two larger units: tonnes. The Relationship Between Gravity and Mass and Distance As stated above, your weight is a measure of the pull of gravity between you and the body you are standing on. In everyday life, the terms mass and weight are often confused. the distance between the object and the Earth (or another celestial body). Examples: The mass of an adult man is about 75 kg. Indeed, an object is made of a certain material, that is to say precisely with an assembly of atoms. Black and Decker models, have markings for both water and brewed coffee as the carafe is also used for measuring water prior to brewing. Newtons second law says that a net force on an object is responsible for its acceleration. 6. Data Analysis Definition, Explanations and Examples, Rhabdomyosarcoma (RMS) | Rare type of cancer that affects muscle tissue, Neutron Radiation | Risks and Effects on Health, Role in Nuclear fission, Immunotherapy Cancer Treatment | Types, To receive, Side effects, Lipoma is a fat benign tumor (skin lumps) Symptoms, Treatments, Risks. [citation needed], The Spanish pound (Spanish libra) was 460 g.[12] The Spanish ounce (Spanish onza) was 116 of a pound, i.e. Mass is a measure of the amount of matter that an object contains. It depends on the distance from the center of Earth. The broadest definition of weight in this sense is that the weight of an object is the gravitational force on it from the nearest large body, such as Earth, the Moon, or the Sun. Click Start Quiz to begin! The quantity amount of substance is a measure of how many elementary entities of a given substance are in an object or sample. Historically, in different parts of the world, at different points in time, and for different applications, the ounce (or its translation) has referred to broadly similar but still slightly different standards of mass. Weight also determines the heaviness of Mass is also indestructible (like energy, and its also scalar), and can never be zero (think about it: mass is the measure of the amount of matter in an object. Weight is defined as the force of gravity on an object. Mass is the measure of the amount of matter an object is made of. Requested URL: byjus.com/question-answer/what-is-the-si-unit-of-mass-weight-and-force/, User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_6) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/14.1.1 Safari/605.1.15. Kilogram (kg) is the SI unit (standard International System of Units) of mass. Today, the troy ounce is used only to express the mass of precious metals such as gold, platinum, palladium, rhodium or silver. Heuristics Psychological aspect for humans to use mental short cuts to arrive at decisions, Particle Physics | Definition, Examples and Explanations. On the Moon, for example, acceleration due to gravity is only 1.67 m/s2. Other units are used in SI:tonne (t), electronvolt (eV), and the atomic mass unit (u). Suggest Corrections. Thus, a 225-lb person weighs 1000 N. When an object is dropped, it accelerates toward the center of Earth. Mass is an intrinsic property of matter. Since g = 9.80 m/s2 on Earth, the weight of a 1.00-kg object on Earth is 9.80 N: \[w = mg = (1.00\; kg)(9.80 m/s^{2}) = 9.80\; N \ldotp\]. It was abolished in favour of the Troy ounce by Henry VIII in 1527.[14]. Use the formula "w = m x g" to convert weight into mass. The SI unit for measuring We are not permitting internet traffic to Byjus website from countries within European Union at this time. SI Si Calculate the molecular weight of a chemical compound An ounce-force is 116 of a pound-force, or about 0.2780139 newtons. Mass and weight are often used interchangeably in everyday conversation. The basic SI unit for mass is the kilogram (kg), but smaller masses may be measured in grams (g). Coffee carafes used with drip coffee makers, e.g. Therefore, a physical quantity such as mass also has a unit. Thus, the mass of an object is a directionless and constant magnitude as long as the object does not undergo any alteration which relates to the number and nature of the atoms that compose it. Depending on what the substance is, an elementary entity may be an Accessibility StatementFor more information contact us atinfo@libretexts.orgor check out our status page at https://status.libretexts.org. Lets look at the SI unit for mass and other units of mass in this article. Weight has dimensions of force or Newtons in SI units. Do you remember the connection between mass and gravity? Weight is a force that is measured with a dynamometer and is graduated in Newton, while mass represents a quantity of matter and is measured with a scale graduated in grams or in one of its sub-units. If the density of diamond is 3.5 g/cm 3, what will be the mass of diamond having a volume of 0.5 cm 3? Units of Mass; Atomic Mass; Weight vs Mass; Units of Mass. For instance, on Earth, a 5.0-kg object weighs 49 N; on the Moon, where g is 1.67 m/s2, the object weighs 8.4 N. However, the mass of the object is still 5.0 kg on the Moon. The LibreTexts libraries arePowered by NICE CXone Expertand are supported by the Department of Education Open Textbook Pilot Project, the UC Davis Office of the Provost, the UC Davis Library, the California State University Affordable Learning Solutions Program, and Merlot. Enter your weight and height using standard or metric measures. The difference between mass and weight is one of the most frequently asked questions. *Weight and mass are the two that most often get confused with one another, but we will get back to that. However, when objects on Earth fall downward, they are never truly in free fall because there is always some upward resistance force from the air acting on the object. In contrast, weight is the gravitational force acting on an object, so it does vary depending on gravity. The SI unit of force is the newton (N); 1 newton is the force that acts on an object of mass 1 kg to produce an acceleration of 1 m/s 2. Mass is a property and the SI unit for density is [kg/m 3]. Weight is the pull of Earth on an object. The mass of an object is the same on Earth, in orbit, or on the surface of the Moon. A troy ounce (abbreviated oz t) is equal to 480 grains. The ounce (/ a n s /) is any of several different units of mass, weight or volume and is derived almost unchanged from the uncia, an Ancient Roman unit of measurement.. 1 dtex = 0.0000001 kg/m 1 gram per 10 kilometers. It is same as that of force. Because these numbers do not vary, in Newtonian physics, mass does not vary; therefore, its response to an applied force does not vary. Nuclear Radiation | Where does it come from? If mass and weight are two different quantities, they are related by a simple expression: weight = mass x g. where g represents the intensity of gravity, the value of which { "6.01:_Prelude_to_Newton\'s_Laws_of_Motion" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.
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