(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

I have a 3-4-5 right triangle with the 3 as the base and the 5 as the hypotenuse.

The corner of the 3 and the 5 is point A

The corner of the 3 and the 4 is point B

At B, perpendicular to the base is a force of 100lb going down- into the corner. (Fv)

At B, Parallel to the base is a force of 100lb going "into" the corner. (Fh)

2. Relevant equations

The question is asking: Find the moment of the force with respect to A.

3. The attempt at a solution

I am assuming the angles are 53 deg at A, 37 deg at B (and the 90 of course).

I am treating this like a torque equation but since the forces are going into the figure. I have no idea where to start. Any help would be greatly appreciated. It's been about 5 yrs since I have done any physics. I am taking a fluid dynamics class to prepare to begin getting my MS in Environmental Engineering (Water) in the fall.

Thank you!

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# Homework Help: Moment of force question

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