(Solved):   1. The rigid pole and cross-arm assembly is shown in figure below. Knowing that the tensio ...

 

1. The rigid pole and cross-arm assembly is shown in figure below. Knowing that the tension in cable \( C D \) is \( 1.2 \mathrm{kN} \), determine; (i) The moment about point \( O \) due to tension in cable \( C D \). (ii) The moment about the pole axis \( O B \).