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Is my method correct or was I reading the problem wrong?

http://www.scribd.com/doc/86313887/Problem-6

You're totally wrong.... sorry

Just kidding. Your method is correct and you get the right answer. Congratulations.

@eashmore my instructor writes all of these problems and this was the practice final exam. I think he wanted to make the questions as hard as possible. He wanted us to work backwards (r crossed with F = moment, so find the components of F).
Equally inclined means this: You have an angle with the x-axis, with the y-axis and the z-axis. (Sorry if this info is nothing new to you!). A vector in 3-space has those 3 direction angles: alpha, beta, and gamma. If all angles are equally inclined, you can say:
alpha=beta=gamma = theta (we'll just use theta so as not to cause confusion).
If you square the cosine of each angle, that will equal 1.
cos^2(alpha) +cos^2(beta) +cos^2(gamma) = 1
Since the angles equal eachother (equally inclined with the positive axes, we can say:
cos^2(theta) +cos^2(theta) +cos^2(theta) = 1
3 cos^2(theta) =1
cos^2(theta) = 1/3
cos (theta) = 1/sqrt(3)
Therefore, all alpha, beta, and gamma have direction cosines of 1/sqrt(3)
So after all of that work, your unit vector will be:
(1/sqrt(3))i +(1/sqrt(3))j +(1/sqrt(3))k
Pg. 29 seems to explain this concept fairly well (see attached).

I can give you harder problems if you want to practice.

Yeah that equally inclined thing it's weird. Haha I bet you'll get a good grade.

Well noboyd would notice them if they stay sit.

Or maybe they had to go to the bathroom =P

HAHAHAHAHA I have something funny to mention

Ohh poor girl! Five hours is insane!

I wish you could help me with multivar calc. later

I don't quite understand. In which grade are you?

I changed my mind about what field I want to go into.

I took 3 quarters of calc starting when I was 17 and I'm 24 now.

Which grade am I in? "Starting over!"

Sorry, but what were you studying before?

to get into pharmacy school

Did you want to be a mathematiciand and then changed your mind?

Nope, I am retarded at math compared to other people.

and now what is your major? Engineering?

I know you're not retarded but I can say is useful to think that haha.

Ahh yeah! I remember you told me that long time ago!

It's okay.

If I had to build a house I would call you =P

It would crumble LOL!!!!!

Hahaha "structurally unsound"

I'm so used to that now.

Do you study there ATM?

Please tell me when you get into statics.
I have plenty of doubts on that!

I'll brb... sec

what pdf?

Who is Jae?

My instructor.

Was your problem wrong?

hahaha I know what a pdf is =P

I meant what was the content of the pdf?

ahhh!

That is great! I wish I had teachers like him =P

I had one but I failed miserably in his class. Shame on me.

Thank you. I'd apreciated that!

k, I'll create a link.

I want so bad to understand Maxwell's equations, but I suck at Calculus hehe

Perfecto!

Maybe you're a different kind of learner.

Doesn't bother me. The wealth of notifications strokes my ego a bit. :-)

Hahaha I'm totally abusing the system :-). I'll try to bring it away from here.