{"schema":"https://ver.cy/schemas/card/1.0.0","id":"vr.tr.weight","code":"thing-q25288","url":"https://ver.cy/models/thing/q25288/","name":"weight","alternateNames":["maximum landing weight","maximum ramp weight","useful load","axle weight","Snow load","normal takeoff weight","sprung mass","1000 seed weight","loaded weight","metabolic weight","unsprung mass","healthy weight"],"kind":"thing","status":"published","version":"0.2.0-wave.2","language":"en","classifiers":{"family":"Thing Registry","category":"Cross-cutting context","entryKind":"thing","plane":"XCT","domain":["XCT.QLT"],"industry":[],"navPath":"","tags":[],"facets":{}},"whatItIs":"The force exerted on a body by gravity, equal to its mass times the local gravitational acceleration and measured in newtons, distinguished in physics from mass though in everyday and commercial use weight is expressed in kilograms or pounds; weight limits and loads are specified in engineering and transport, such as axle weight, snow load, and aircraft maximum takeoff, landing and ramp weights and useful load, and weight is measured with scales and balances.","purpose":"Let an agent explain weight and its distinction from mass, support conversion and calculation of weights and loads, describe weight limits in transport and engineering, and support learning.","scope":{"in":[],"out":[],"boundaries":[]},"distinguishingFeatures":["Force","Location-dependent","Everyday conflation with mass","Limits and loads"],"structure":{"bundles":[{"id":"understand","name":"Understand","description":"What weight is.","layers":[{"id":"concept","name":"Concept","description":"Weight and mass.","findings":[{"id":"concept-finding","name":"Concept","description":"Concept.","questions":[{"text":"How does weight differ from mass, and why does weight vary with location while mass does not?","kind":"definition"},{"text":"Is the physics sense or the everyday commercial sense meant?","kind":"boundary"}]}]},{"id":"measure","name":"Measure","description":"Measurement.","findings":[{"id":"measure-finding","name":"Measure","description":"Measurement.","questions":[{"text":"How is weight measured with scales and balances, and what units and legal standards apply?","kind":"provenance"},{"text":"Which entry fits weighing instruments?","kind":"action"}]}]}]},{"id":"compute","name":"Compute","description":"Calculations.","layers":[{"id":"convert","name":"Convert","description":"Conversion.","findings":[{"id":"convert-finding","name":"Convert","description":"Conversion.","questions":[{"text":"How is this weight converted between newtons, kilograms-force and pounds?","kind":"action"},{"text":"Which entry fits unit conversion?","kind":"action"}]}]},{"id":"loads","name":"Loads","description":"Loads and limits.","findings":[{"id":"loads-finding","name":"Loads","description":"Loads.","questions":[{"text":"How are axle weights, snow loads and other loads calculated and checked against limits?","kind":"action"},{"text":"Which entry fits structural engineering?","kind":"action"}]}]}]},{"id":"transport","name":"Transport","description":"Transport weights.","layers":[{"id":"aircraft","name":"Aircraft","description":"Aircraft weights.","findings":[{"id":"aircraft-finding","name":"Aircraft","description":"Aircraft.","questions":[{"text":"What are maximum takeoff, landing and ramp weights and useful load, and why do they matter?","kind":"provenance"},{"text":"Which entry fits aircraft operations?","kind":"action"}]}]},{"id":"vehicles","name":"Vehicles","description":"Vehicle weights.","findings":[{"id":"vehicles-finding","name":"Vehicles","description":"Vehicles.","questions":[{"text":"How are vehicle and axle weight limits set and enforced?","kind":"provenance"},{"text":"Which entry fits road transport regulation?","kind":"action"}]}]}]},{"id":"learn","name":"Learn","description":"History and teaching.","layers":[{"id":"history","name":"History","description":"History.","findings":[{"id":"history-finding","name":"History","description":"History.","questions":[{"text":"How did the concepts of weight and mass become distinguished in physics?","kind":"provenance"},{"text":"Which references are standard?","kind":"provenance"}]}]},{"id":"teach","name":"Teach","description":"Teaching.","findings":[{"id":"teach-finding","name":"Teach","description":"Teaching.","questions":[{"text":"How can weight and mass be taught with examples?","kind":"action"},{"text":"Which misconceptions arise?","kind":"provenance"}]}]}]}]},"agentConduct":{"may":["Measure and report weight with calibrated scales, stating the unit and whether mass or force is meant.","Check a load against the weight limits of a vehicle, lift, shelf or bridge before moving it.","Convert between units and explain the difference between weight and mass."],"mustNot":["Load a vehicle, crane, lift or aircraft beyond its rated weight limit.","Use uncalibrated or tampered scales for trade or medical dosing.","Misstate the weight of goods sold to cheat buyers.","Comment on a person's body weight in a way that shames them."],"requiresHuman":["Lifting or moving loads near the rated limit where people could be hurt.","Recording a patient's weight used to calculate medicine doses."]},"ethics":{"considerations":["Overloads cause collapses and crashes; honest weights protect buyers and workers.","Body weight is a sensitive personal matter tied to stigma."],"affectedParties":["Workers handling loads","Buyers and sellers","Patients"]},"owners":{"steward":"Nobody owns the quantity; legal metrology authorities oversee scales used in trade.","roles":[],"masterSystems":[]},"relations":[{"target":"Q11402","type":"parent","note":"registry parent class"},{"target":"force","type":"related","note":"category"},{"target":"solid","type":"related","note":"bodies that have weight"},{"target":"ohmage","type":"related","note":"another physical quantity entry"},{"target":"aviation","type":"related","note":"aircraft weight limits"}],"interaction":{"identity":{"applicability":"required","items":["Vercy registry: vr.tr.weight","Wikidata: Q25288 (https://www.wikidata.org/wiki/Q25288)"]},"properties":{"applicability":"not-applicable","items":[]},"recognition":{"applicability":"optional","items":["Force due to gravity","Mass times gravitational acceleration","Mass is the amount of matter; load is weight applied to a structure","Not visible; measured on scales."]},"capabilities":{"applicability":"required","items":["explain weight versus mass","support calculations","describe weight limits","support learning"]},"hazards":{"applicability":"required","items":["Confusing weight and mass","Exceeding weight limits","Inaccurate scales"]},"interfaces":{"applicability":"required","items":["SI definitions of force and mass","Legal metrology for trade weighing","Transport and structural load regulations"]},"context":{"applicability":"required","items":["Gravitational force on a body.","weight in physics","everyday weight in kilograms and pounds","vehicle and axle weights","aircraft weight categories","structural loads such as snow load"]}},"sources":[{"title":"Wikidata item Q25288: weight","url":"https://www.wikidata.org/wiki/Q25288","note":"identity and sense of the item"},{"title":"Wikipedia: Weight","url":"https://en.wikipedia.org/wiki/Weight","note":"general description of the item"}],"openQuestions":["Should mass be linked as a separate entry?","How should load regulations be linked?","How should metrology standards be linked?"],"resources":{"spec":"/models/things/publications/thing-q25288/spec.json"},"provenance":{"origin":"thing registry research (pass 2)","builtFrom":["models/things/publications/thing-q25288/spec.json"],"providers":["Claude"],"researchStatus":"unreviewed","generatedAt":"2026-09-12T02:23:20Z","builder":"tools/build_cards.py@1.0.0"},"completeness":{"sections":{"classifiers":"filled","whatItIs":"filled","purpose":"filled","distinguishingFeatures":"filled","structure":"filled","agentConduct":"filled","ethics":"filled","owners":"filled","relations":"filled","interaction.identity":"filled","interaction.properties":"not-applicable","interaction.recognition":"filled","interaction.capabilities":"filled","interaction.hazards":"filled","interaction.interfaces":"filled","interaction.context":"filled","sources":"filled"},"notes":{"_gate":"Published through the thing publication gate 1.0 on 2026-10-06T19:51:57+00:00: completeness 1.00; sense: Wikidata description; 2 live sources; review by codex: pass","interaction.properties":"Plane XCT: no invented physical properties."},"score":1.0}}