PROBLEMS 



421 



Graphic Statics. 



Problem 4. 



/' ! 





10 



1."- 5 Tons. / 



Graphic Solution x ^ x 

 R=si.4Tons. m=?.3'.' v x 



P'3O.4T. P"=9.oT. N x^ P l 



M = H> < y=eo*i.e5 = 37.oin. <: rons. XX N X 

 Alqcbroic Solution X N 



Center of moments in P. 1 



R 



R*i.7fc"=2i.4*i.7E"36.e in.-Tons. 



