Exam Problem I got wrong. Is it correct now?

1. Jun 2, 2007

Hello, I had a statics exam last week and got part of the following problem wrong. I redid it just now and would like to know if my solution is correct. I'm having a little difficulty in understanding parallel and perpendicular components of a force.

Here is the image:

I'm interested in part (b).

From my book it states that the projection of $$\vec{F}_parallel = \vec{F}\vec{u}$$

Isn't this just the dot product?

NVM I figured it out

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Last edited: Jun 2, 2007