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Forces, Moments and couple question, Can you please check its right

by robm
Tags: check, couple, forces, moments
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robm
#1
Oct17-06, 02:10 PM
P: 3
Please find the attachment below. Thanks
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File Type: doc Forces and Couple Question.doc (40.5 KB, 23 views)
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radou
#2
Oct17-06, 02:28 PM
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Regarding a): the vertical component of the 'force at F' equals -3 kN. (I assume it was just a typo, since you used -3 kN in b).)

Regarding c): how to replace a force and a moment with a resultant force (if I got that right)? Well, the resultant force must equal the force F, and the distance d between that resultant and the 'old' resultant force must be chosen so that F*d = M, i.e. it is replacine the moment M now, too. Further on, the 'direction' of the moment F*d must equal the 'direction' of the moment M.


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