The discussion focuses on finding Vc(0) using nodal analysis. The initial thread title was deemed vague, prompting a suggestion for a more descriptive title to clarify the problem. Participants agree that the method and results presented are correct but emphasize the importance of clear communication in forum titles. A revised title was provided to better reflect the content of the discussion. Clear and specific titles enhance understanding and assist others in providing help.
You need to be more specific about the problem description in your thread title. How is a helper supposed to know that this was a nodal analysis problem based upon your thread title, "Can someone check my work pls ?"
This time I've changed your thread title to make it more descriptive.
TL;DR: determine the internal force of member OA
Hi I'm struggling with this problem. I have calculated the angle to be 45 degrees with tan(theta) = a/a. A is a roller which only has Ay and O has Ox & Oy as a fixed pin. (see fbd.png) is my FBD correct?