Statics - 2D Rectangular Components (Known Resultant, Unknown Force)

This video goes over another type of problem you may see when working with 2D rectangular components which is when you know the resultant (magnitude and direction) and need to solve for one of the forces in the problem.
0:00 Introduction
1:35 Choose positive directions
1:55 Resolve vectors along x and y directions
9:31 solve for unknowns using X and Y equations