... fromplacetoplaceon the surface of the earth, the kilogramforce isnotadefinite force. In the UnitedStates, by act of Congress, the poundmassis defined in terms of the mass of the standardkilogram,but in England the poundmass ... feet/second)2or1,936feet2/second2. Sincewearedividingthisnumerator by the denominatorconsisting of 500feet, the feet in the denominatorpartiallycancel the feet2 of the numerator, and the finalunit is thusfeet/second2,asweshouldexpectfora ... obtainedgraphically by drawing the figureto scale and measuring the diagonal; the resultmay in thiswaybe obtained to the samedegree of accuracyas by the use of the slide-rule.If the figurehas...