EntityQ1392786· pop 8· linked from 70 articlessectional densitySign in to savevalue calculated by taking the total mass divided by area cross sectional area; used in projectile and speed boat designConnectionssquare metreEntityWorld War IIConceptmassEntityareaEntitykilogramEntityInternational System of UnitsEntityfirearmEntitygramEntitypoundEntityratioEntityballisticsEntityprojectileEntitySI derived unitEntitygrainEntitycross sectionEntitypound per square inchEntitybunker busterEntitytransverse planeEntityballistic coefficientEntitysquare inchEntityCategoriesAerodynamicsBallisticsProjectiles