Gravity 01 : (1) The force of mutual attraction between masses. (2) The force that causes a body to accelerate while falling, usually expressed as 32. 2 ft/sec2. See also: Specific Gravity
Ralph W. Burklin & Robert G. Purington, Fire Terms: A Guide to Their Meaning and Use, National Protection Association, Boston, MA 1980 USA. (Guide: Meaning and Use, Nat Prot Association Fr Srvc - Amer) {457}