SWK211: Strength of Materials II
Tutorial 1 – 4 February 2019
Answers
1. a) FCA =
8.792 kN
FCB = 6.527 kN
b) FCA =
208.0 N
FCB = 143.3 N
2. RAy = 39.24 kN
RAx = -163.5 kN
RB = 163.5 kN
3. RAy = 387.1 N
RAx = 15.78 N
RB = 387.2 N
4. R = 34.14 mm
H = 68.78 mm
5. a) AB = 173.4 kN (T)
BC = 152.97 kN (T)
CD = 150 kN (C) = DA
BD = -64 kN (C)
b) AB = DE = 5 kN(C) BC = CD = 0 AF = FE = 30 kN (T)
FC = 10 kN (T) AC = CE = 31.62 kN (C)
6. L = 1.825 m
7. k = 915.4 N/m
8. α = 10.55o
9. 1189 mm x 840.7 mm;
1
k = √0.5 = 1.414;
A4: 297.3 mm x 210.2 mm
10. α = 90o
a