Force Balance help

[Gomba]

View attachment 4856
Hy!<br style="font-family: Times New Roman,Times,serif;"><br style="font-family: Times New Roman,Times,serif;"><div style="text-align: left;"> I'm an college student and I'm new at this forum.

I need some advices to finish this task.

<span title="Kattintson m

 

[GlasgowStudent]

I'm sure you're doing a project regarding the equilibrium
of forces. Research equilibrium and discover the forumlae
for the resultant forces when angles have been introduced.
All formulae should equate to zero.