{"product_id":"edulab-lever-arm-balance","title":"Edulab Lever Arm Balance","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan data-sheets-root=\"1\"\u003eLever Arm Balance.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"0\" data-end=\"246\" class=\"\"\u003eA \u003cstrong data-start=\"2\" data-end=\"23\"\u003elever arm balance\u003c\/strong\u003e is a type of mechanical balance that uses the principle of moments (torque) around a pivot point to measure mass. It's a classic instrument in physics and chemistry labs to demonstrate or perform precise mass measurements.\u003c\/p\u003e\n\u003ch3 data-start=\"248\" data-end=\"269\" class=\"\"\u003e\u003cstrong data-start=\"252\" data-end=\"269\"\u003eHow It Works:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"270\" data-end=\"410\" class=\"\"\u003eThe \u003cstrong data-start=\"274\" data-end=\"298\"\u003eprinciple of moments\u003c\/strong\u003e states that for a lever to be in equilibrium, the \u003cstrong data-start=\"349\" data-end=\"369\"\u003eclockwise moment\u003c\/strong\u003e must equal the \u003cstrong data-start=\"385\" data-end=\"409\"\u003eanticlockwise moment\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-sheets-root=\"1\"\u003e\u003cspan class=\"katex-display\"\u003e\u003cspan class=\"katex\"\u003e\u003cspan class=\"katex-mathml\"\u003e\u003cmath xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" display=\"block\"\u003e\u003csemantics\u003e\u003cmrow\u003e\u003cmsub\u003e\u003cmtext\u003eForce\u003c\/mtext\u003e\u003cmn\u003e1\u003c\/mn\u003e\u003c\/msub\u003e\u003cmo\u003e×\u003c\/mo\u003e\u003cmsub\u003e\u003cmtext\u003eDistance\u003c\/mtext\u003e\u003cmn\u003e1\u003c\/mn\u003e\u003c\/msub\u003e\u003cmo\u003e=\u003c\/mo\u003e\u003cmsub\u003e\u003cmtext\u003eForce\u003c\/mtext\u003e\u003cmn\u003e2\u003c\/mn\u003e\u003c\/msub\u003e\u003cmo\u003e×\u003c\/mo\u003e\u003cmsub\u003e\u003cmtext\u003eDistance\u003c\/mtext\u003e\u003cmn\u003e2\u003c\/mn\u003e\u003c\/msub\u003e\u003c\/mrow\u003e\u003cannotation encoding=\"application\/x-tex\"\u003e\\text{Force}_1 \\times \\text{Distance}_1 = \\text{Force}_2 \\times \\text{Distance}_2\u003c\/annotation\u003e\u003c\/semantics\u003e\u003c\/math\u003e\u003c\/span\u003e\u003cspan class=\"katex-html\" aria-hidden=\"true\"\u003e\u003cspan class=\"base\"\u003e\u003cspan class=\"strut\"\u003e\u003c\/span\u003e\u003cspan class=\"mord\"\u003e\u003cspan class=\"mord text\"\u003eForce\u003c\/span\u003e\u003cspan class=\"msupsub\"\u003e\u003cspan class=\"vlist-t vlist-t2\"\u003e\u003cspan class=\"vlist-r\"\u003e\u003cspan class=\"vlist\"\u003e\u003cspan\u003e\u003cspan class=\"pstrut\"\u003e\u003c\/span\u003e\u003cspan class=\"sizing reset-size6 size3 mtight\"\u003e\u003cspan class=\"mord mtight\"\u003e1\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"vlist-s\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"vlist-r\"\u003e\u003cspan class=\"vlist\"\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"mspace\"\u003e\u003c\/span\u003e\u003cspan class=\"mbin\"\u003e×\u003c\/span\u003e\u003cspan class=\"mspace\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"base\"\u003e\u003cspan class=\"strut\"\u003e\u003c\/span\u003e\u003cspan class=\"mord\"\u003e\u003cspan class=\"mord text\"\u003eDistance\u003c\/span\u003e\u003cspan class=\"msupsub\"\u003e\u003cspan class=\"vlist-t vlist-t2\"\u003e\u003cspan class=\"vlist-r\"\u003e\u003cspan class=\"vlist\"\u003e\u003cspan\u003e\u003cspan class=\"pstrut\"\u003e\u003c\/span\u003e\u003cspan class=\"sizing reset-size6 size3 mtight\"\u003e\u003cspan class=\"mord mtight\"\u003e1\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"vlist-s\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"vlist-r\"\u003e\u003cspan class=\"vlist\"\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"mspace\"\u003e\u003c\/span\u003e\u003cspan class=\"mrel\"\u003e=\u003c\/span\u003e\u003cspan class=\"mspace\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"base\"\u003e\u003cspan class=\"strut\"\u003e\u003c\/span\u003e\u003cspan class=\"mord\"\u003e\u003cspan class=\"mord text\"\u003eForce\u003c\/span\u003e\u003cspan class=\"msupsub\"\u003e\u003cspan class=\"vlist-t vlist-t2\"\u003e\u003cspan class=\"vlist-r\"\u003e\u003cspan class=\"vlist\"\u003e\u003cspan\u003e\u003cspan class=\"pstrut\"\u003e\u003c\/span\u003e\u003cspan class=\"sizing reset-size6 size3 mtight\"\u003e\u003cspan class=\"mord mtight\"\u003e2\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"vlist-s\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"vlist-r\"\u003e\u003cspan class=\"vlist\"\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"mspace\"\u003e\u003c\/span\u003e\u003cspan class=\"mbin\"\u003e×\u003c\/span\u003e\u003cspan class=\"mspace\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"base\"\u003e\u003cspan class=\"strut\"\u003e\u003c\/span\u003e\u003cspan class=\"mord\"\u003e\u003cspan class=\"mord text\"\u003eDistance\u003c\/span\u003e\u003cspan class=\"msupsub\"\u003e\u003cspan class=\"vlist-t vlist-t2\"\u003e\u003cspan class=\"vlist-r\"\u003e\u003cspan class=\"vlist\"\u003e\u003cspan\u003e\u003cspan class=\"pstrut\"\u003e\u003c\/span\u003e\u003cspan class=\"sizing reset-size6 size3 mtight\"\u003e\u003cspan class=\"mord mtight\"\u003e2\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"vlist-s\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"vlist-r\"\u003e\u003cspan class=\"vlist\"\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"501\" data-end=\"524\" class=\"\"\u003eIn a lever arm balance:\u003c\/p\u003e\n\u003cul data-start=\"525\" data-end=\"744\"\u003e\n\u003cli data-start=\"525\" data-end=\"579\" class=\"\"\u003e\n\u003cp data-start=\"527\" data-end=\"579\" class=\"\"\u003eThere is a \u003cstrong data-start=\"538\" data-end=\"546\"\u003ebeam\u003c\/strong\u003e balanced at a central \u003cstrong data-start=\"569\" data-end=\"578\"\u003epivot\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"580\" data-end=\"661\" class=\"\"\u003e\n\u003cp data-start=\"582\" data-end=\"661\" class=\"\"\u003eObjects are placed on \u003cstrong data-start=\"604\" data-end=\"612\"\u003epans\u003c\/strong\u003e or attached at varying distances from the pivot.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"662\" data-end=\"744\" class=\"\"\u003e\n\u003cp data-start=\"664\" data-end=\"744\" class=\"\"\u003eYou adjust the position or mass until the beam is level, indicating equilibrium.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"746\" data-end=\"770\" class=\"\"\u003e\u003cstrong data-start=\"750\" data-end=\"770\"\u003eMain Components:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-start=\"771\" data-end=\"967\"\u003e\n\u003cli data-start=\"771\" data-end=\"812\" class=\"\"\u003e\n\u003cp data-start=\"773\" data-end=\"812\" class=\"\"\u003e\u003cstrong data-start=\"773\" data-end=\"791\"\u003eBeam\/Lever arm\u003c\/strong\u003e – the horizontal bar\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"813\" data-end=\"860\" class=\"\"\u003e\n\u003cp data-start=\"815\" data-end=\"860\" class=\"\"\u003e\u003cstrong data-start=\"815\" data-end=\"832\"\u003eFulcrum\/Pivot\u003c\/strong\u003e – the central support point\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"861\" data-end=\"919\" class=\"\"\u003e\n\u003cp data-start=\"863\" data-end=\"919\" class=\"\"\u003e\u003cstrong data-start=\"863\" data-end=\"882\"\u003ePans or hangers\u003c\/strong\u003e – to place known and unknown weights\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"920\" data-end=\"967\" class=\"\"\u003e\n\u003cp data-start=\"922\" data-end=\"967\" class=\"\"\u003e\u003cstrong data-start=\"922\" data-end=\"933\"\u003ePointer\u003c\/strong\u003e – indicates balance when centered\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"969\" data-end=\"990\" class=\"\"\u003e\u003cstrong data-start=\"973\" data-end=\"990\"\u003eApplications:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-start=\"991\" data-end=\"1107\"\u003e\n\u003cli data-start=\"991\" data-end=\"1043\" class=\"\"\u003e\n\u003cp data-start=\"993\" data-end=\"1043\" class=\"\"\u003eDemonstrating principles of torque and equilibrium\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1044\" data-end=\"1083\" class=\"\"\u003e\n\u003cp data-start=\"1046\" data-end=\"1083\" class=\"\"\u003eMeasuring mass using standard weights\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1084\" data-end=\"1107\" class=\"\"\u003e\n\u003cp data-start=\"1086\" data-end=\"1107\" class=\"\"\u003eCalibration exercises\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"1109\" data-end=\"1128\" class=\"\"\u003e\u003cstrong data-start=\"1113\" data-end=\"1128\"\u003eAdvantages:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-start=\"1129\" data-end=\"1217\"\u003e\n\u003cli data-start=\"1129\" data-end=\"1150\" class=\"\"\u003e\n\u003cp data-start=\"1131\" data-end=\"1150\" class=\"\"\u003eSimple and accurate\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1151\" data-end=\"1185\" class=\"\"\u003e\n\u003cp data-start=\"1153\" data-end=\"1185\" class=\"\"\u003eNo need for power or electronics\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1186\" data-end=\"1217\" class=\"\"\u003e\n\u003cp data-start=\"1188\" data-end=\"1217\" class=\"\"\u003eGood for educational purposes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan data-sheets-root=\"1\"\u003eCatalog Number:12737176\u003c\/span\u003e\u003c\/p\u003e","brand":"Edulab","offers":[{"title":"Dual Range \/ Unit \/ New - Unopened (Sealed)","offer_id":51462608257351,"sku":"12737176","price":21.77,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0802\/7245\/8055\/files\/12737176_A.JPG-650.webp?v=1744999827","url":"https:\/\/checkout.wasteless.bio\/products\/edulab-lever-arm-balance","provider":"Wasteless Bio","version":"1.0","type":"link"}