Please find the working principles and the magnitude of S1,S2 and S3 shown in the truss system below.
1. Please find the working principles and the magnitude of S1,S2 and S3
shown in the truss system below
a KN
d=3 c=4 b =8 a=2
a KN
a KN
cm
S3
S2
S1 C bm
G
bm
bmkbm