Situation
A 12-m pole is fixed at its base and is subjected to uniform lateral load of 600 N/m. The pole is made-up of hollow steel tube 273 mm in outside diameter and 9 mm thick.
1. Calculate the maximum shear stress (MPa).
A. 0.96 |
C. 1.39 |
B. 1.93 |
D. 0.69 |
2. Calculate the maximum tensile stress (MPa).
A. 96.0 |
C. 60.9 |
B. 69.0 |
D. 90.6 |
3. Calculate the force (kN) required at the free end to restrain the displacement.
A. 2.7 |
C. 27 |
B. 7.2 |
D. 72 |