- #1

- 8

- 0

## Homework Statement

http://i.imgur.com/B1hFY6E.png

## Homework Equations

-Basic geometry

-Similar triangles (?)

-Pythagorean Theorem

## The Attempt at a Solution

-I need to find the angle the bar AB makes with the horizontal, correct? And with that, I will be able to figure out the components for the unit vector...

-I'm stuck at where exactly to start. I feel as though there are generalizations I am not making that are necessary to begin....