Friction Problems Involving Force Vectors.

[AegisFang]

Homework Statement

The following link is a rough sketch of what I need help with, followed by the directions.http://s11.photobucket.com/albums/a1...nt=Physics.png be sure it's zoomed in. The information provided is the following.
"The Block shown in (a) slides with constant speed under the action of the force shown.

(a) How large is the retarding friction force?
(b) What is the coefficient of kinetic friction between the block and the floor?

Homework Equations

Fwx=Ff

Fwy=Fn

The Attempt at a Solution

Blarg...No idea where to even start.

 

[cristo]

The link to the image in your post doesn't work.