{"id":"S85021847","label":"Center of mass","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85021847","normalized_label":"center of mass","broader":["http://id.loc.gov/authorities/subjects/sh85081853","http://id.loc.gov/authorities/subjects/sh85082767"],"aliases":["Barycenter","Center of gravity","Centroid","Gravity, Center of"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85021847","provider":"lcsh","revision":"9230969df23748fd","taxonomy_revision":"f050b5d4780b1289","title":"Center of mass","url":"/topics/S85021847","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"867096877144080960","address_version":"morton4x16-v1","coordinates":[0,20,17746,23552],"answer_status":"Directory metadata; local answer requires separate source review","truth_status":"Subject descriptor, not a factual answer or a demonstrated knowledge gap","reviewed_answer":null}