fa cos \(\)\(\theta\) 4/5 f A -fax-fAx=0
f a y fa sen\(\theta\) 3/6 f a -30lb cos 60-4/5 Fa-0
4/5 (-30 IB COS60 )
Fa x= 60
Fa y= 60
Ma=fax fay -FAY FAX
=(9FT) (3/5FA)-(0) (4/3)F.A
27/3 FT IB FT
M0= Y0X Y0Y- Y0Y Y0X
(6FT) (30IB SEN60) =155.9 IB FT
\(\Sigma\)M=0
M0-M0=0
155.8 IB -FT (27/5) F0- 30COS60)
27/5 FA=155.58
F.A\(\left(\frac{158.8}{ }\right)\)IB FT
28.9 IB FT