Solving Statics Problems with Couples - Help Needed

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The discussion revolves around solving a statics problem involving couples, specifically focusing on part c of the problem. The user successfully completed parts a and b by calculating the moments using the formula M = Fd with known forces and distances. The challenge arose in part c due to uncertainty about the distance 'd.' Ultimately, the user resolved the issue by determining that 'd' should be the longest distance possible between points A and C. This insight allowed for the completion of the problem.
btbam91
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Hey guys, I'm kind of struggling with a piece of this problem.

[PLAIN]http://img97.imageshack.us/img97/6862/372h.png

This isn't my problem exactly (different numbers and units) but I am having trouble completing part c. I successfully did parts a and b by putting the two forces down, finding the distance between the two forces, and using M = Fd to find F.

But I'm not sure how to do c since there's no way of knowing d.

Thanks!
 
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Figured this one out! It's the longest distance possible (A to C)
 

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