ipi D£ MOTr CORrORJ'M FLEXlBlLirM. 



tate debita akitudini ~ v. Sint nngnli , quos partcs A B 

 et BC quAli alac cum rcd.i BP conllitunnt , ABP— d 

 et CBPzzCP; tum fit cckTJtas rotaioria alac BA circa 

 B in diltantia — i , dcbita altitudiui p , ct cclcrita'; ro- 

 tatoria aLie CB circa B in pari dillantia dcbita fit altitu- 

 dini q ; vtraque autcm ala motu rotatorio ad dircdioncm 

 BP acccdat. Dcinde fit F ccntrum grauitatis aLie AB, 

 ct BF — y ; G vero fit ccntrum grauitatis alae BC ct 

 BGnz^. Dcniquc fit alae AB malTa ~ A ciusque mo- 

 mcntum incrriae rclpc<flu ccntri granitatis ~ ;;/ Aj/ ; fimi- 

 liquc modo alac BC mafla fit — B ct monicntum in- 

 ertiae i-el{x:c"tu liii grauitatis centri G fitzz «B^^-^. Vtra- 

 que igitur ala fcqiicrttur motum imprcflum, nifi ligamcn- 

 tum in flexura B obfilkrct ; ponamus crgo vim flcxurae 

 tantam cflc , vt ala BC in dircdione BK rollicitctur vi 

 ~R, ali autcm AB in dircdlionc contraria Br acquali 

 vi n: R , fitquc angukb OBR zz w. Ponamus iam pun- 

 ftum B ita progrcdi, vt primum in dircdit)nc BP acce- 

 lcrctur vi rz T , tum vcro de (cmita rcc^tilinca BP dex- 

 trorlum dcducatur , vi normali — V. His pofitis ex con- 

 fidcrttione alae BC erit pcr coroll. 3. problcmatis prac- 

 ccdcntis : 



Rfin.corrsB^^/fin (p-BV-f-—^ ( V corCp-T fin. (J)) 



R cof 03 =: 1 B^ /7 cof Cp - B T - "s!^ ( V coC C|) - T fin . Cp ) 

 Eacdcm vcro formulac ad alam AB accommodantur , fi 

 loco horum valorum ftibflituantur ilU 



R 

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