Do you get how to do this?

One end of a uniform 3.90 m long rod of weight Fg is supported by a cable. The other end rests against the wall, where it is held by friction, as in a href="http://www.webign.net/pse/PSE6_p12-23.gif." rel="nofollow"http://www.webign.net/pse/PSE6_p12-23…/a The coefficient of static friction between the wall and the rod is µs = 0.450. Determine the minimum distance x from point A at which an additional weight Fg (the same as the weight of the rod) can be hung without causing the rod to slip at point A.