... called the standard acceleration (Table 1.2.6).The pound force is the force required to support the standard poundbody against gravity, in vacuo, in the standard locality; or, it is the forcewhich, ... pound-mass.The kilogram force is the force required to support the standard kilo-gram against gravity, in vacuo, in the standard locality; or, it is the forcewhich, if applied to the standard kilogram ... only.1⁄601⁄601-18 MEASURING UNITSSection_01.qxd 08/17/2006 9:20 AM Page 18Marks' Standard Handbook for Mechanical Engineers Avallone_FM.qxd 10/4/06 10:42 AM Page iTHE INTERNATIONAL SYSTEM OF UNITS...