Recent content by chadovP

2 unknows mate! F3 and the angle... so i have f3 sqaured and the angle in one equation and that the part i am not getting...

yes but there are sin θ and cos θ which makes the equation very complicated.

Homework Statement http://img243.imageshack.us/my.php?image=61581222vi0.jpg http://xs433.xs.to/xs433/08440/untitled601.jpg I need to find the direction and the magnitude of F3 given only the figure and the resultant force of the 3 vectors =20 lb, plus F3 being the smallest force between...