

15 



if it i> desired to find tit. u of tin- point n, wb*r* 



uUtitiit.- f.r S, A, and 



fl thrir vali. in- portion of tin- prd-r Utur.n the 



-nl ainl /< ami -ol\.- fr /. It i- mor- -.t in 



in- formula in Mirli form M to 



tin- Im^tli o For thi> ptiprour 



c tin- tli- ' Inigth of mix <-M\, r j.l:i f . / 



C-tli- :tl l.-nnth of any * -f y 



(y-from 2 to 5 fn-t i tin- additional Irngtti y 

 :. riM|uin-d fnr loratinj: a f.-\\ riv.-m, so 

 that th- plat.- max U- capable of taking 

 when- it i- t! ;ill 





in the foregoing n -lation between the momenta of 

 the outer and inm-r forces may be written 



, P I* 2Sha .. I p 2Ska 



x a -/j-H T -T and from thw X-.T-V/T 

 ir * \ t 





(3) 



To u>f th.- formula to find tin- l.-ngth of the second 

 . take a and h for the portion of the girder U tween 

 n and o. 



