= (150) = 



ximn, qiiando c—k; in qito ^ nit inclytns Aiicftor, noti exi5:uiim 

 payjthxon cern.tiir. Cclcritas autem abfohKi glandis poll icann 

 rcmancns crit =: 



S X >- 7) y M e _j _ V ^ X 



§. 3. Vocatis tlcinde vclocirntibu?, ilh tnbuhic ~ 

 ^^ — «, cnque glandis ~ — 'Lit-^ — c, idcoquc velociratc re- 



latiua rr: i5 irz ^' — ?/ , duciinur ad an.bns hns aequationes 



M 1; -i- N « ~ M f , er M v v -{-IS. u u ~M c c — ^g fKd x\ 

 quarum prior demondrnt principium conlcruationis quantitatis 

 motus , pollerior Acro eximium iJlud atquc vcilillimum princi- 

 piuin a I>cibnit7,io liriunt liuarum didun;. Conilat er.im vim 

 vinnm in corpore produdam aut deftrucflam aequnlem femper 

 eflc inrc^rali , cuius dilTcrcnria cll duplum produc^ti vis motri- 

 cis mukiplicarnc per clcmcntum Iparii, quod produdum infn- 

 per in 2^ inulriplicnri aHoIct, vt cnlculus ad nenCuras coi^ni- 

 tas reuocetur : hncc nutem cum poficriori acquatione apprime 

 conucniunt, \ bi vis motrix per R indicatur. 



§. 4. Siqiiidcm vcro ficri podlt, vt rcfiflcntia tnbulae 

 hnud fimplicitcr func^tioni ipfius .v, fcd nliquomodo proprierntc 

 fluidi pracdirn , ctinm qundrnto cclcritniis rchuiune corporis 

 pcrcutientis proportionalis fit , id in integrariouibus proptcr 

 form.ulnm fKdx maximiam introducerct diffcrentiam , qun de 

 rc Cclcb. Auclor pro hnc fuppofirionc dc iiouo cnlculum ir.- 

 ilituit. J.oco fimplicis litrernc R ii,itiir wd cxprin.endnm rc- 

 fiflcntinm, nunc hnMC ndhibct formulnm R -|- i-ii% vbi R wd- 

 hiic cnm rcfillentine pnrrein fignificnt, qune funiftioni .v cfi ac- 

 qunlis, A vero efl conlhms pcndens n denfitnte nn'erinc, \t 

 n n^nirudine fornninis. ctc. Tlis finbilicis. nfrumtijquc iisdcm, 

 quibus pracccdcntcr, denominationibus, pofito ^ero brcuirntis 



ergo 



