1. The problem statement, all variables and given/known data Three points, ABC and a downward force exerted at O. C is pinned to a vertical wall. C to B extends horizontally for 15m. At B, a bend occurs downwards to point A on the ground. The downward force is applied between points B and A at point O. The horizontal distance from B to O is 5m and from O to A is 2m. The force applied at O is 40N downwards towards the ground. i) Determine the friction and normal force acting at A ii) Determine the minimum uk required for the bar not to move. 2. Relevant equations Sum of all Fx and Fy must equal 0. Friction=(uk)Fn, Moment=F*d? 3. The attempt at a solution I am just learning this topic and have spent a great deal of time looking at friction on inclined planes. When I came to this question, I simply am confused where to begin. Calculating the moment calculates a force representing what when it comes to friction? Looking for a solution to guide me though how to begin analyzing these types of problems. Thank you.