{"version":"1.0","type":"link","title":"Sectional density - Newikis","description":"Sectional density (often abbreviated SD) is the ratio of an object's mass to its cross sectional area with respect to a given axis. It conveys how well an object's mass is distributed (by its shape) to overcome resistance along that axis.","provider_name":"Newikis","provider_url":"https://newikis.com","cache_age":86400,"thumbnail_url":"https://upload.wikimedia.org/wikipedia/commons/5/56/Nail.agr.jpg","thumbnail_width":691,"thumbnail_height":767}