The document contains calculations of forces and angles. It sums the x and y components of several forces, finding the net force to be -742.986 lbf in x and -209.526 lbf in y. It then calculates the resultant force R as 771.9649 lbf and the angle theta of the resultant force to be 15.74873 degrees.

2. lbfF 2912 
lbfF 3913 
lbfF 4915 
lbfF 1911 
X
Y
o
41
o
21
o
51
xF5
yF5
yF2
x
F2 xF1
yF1
o
49
o
69
o
39
lbfF 5914 

4. o
FyF 49sin.11 
o
FxF 49cos.11 
125.30731 xF
144.14951 yF
o
FyF 69sin.22 
271.67192 yF
o
FxF 69cos.22 
104.28512 xF
o
FyF 39sin.55 
308.99635 yF
o
FxF 39cos.55 
381.57875 xF

5. xxxx FFFFF 5421 
3251 FFFFF yyyy 
-742.986 xF
-209.526 yF
22
  yx FFR
22
-209.526)((-742.986) R
771.9649R
)(tan 1



x
y
F
F

)
742.986-
209.526-
(tan 1

15.74873