ABCD is rectangle, in which AB = CD = 100 mm and BC = DA = 80 mm. Forces of 100 N each act along AB and CD and forces of 50 N each at along BC and DA. Find the resultant moment of the two couples.

ABCD is rectangle, in which AB = CD = 100 mm and BC = DA = 80 mm. Forc

1.	ABCD is rectangle, in which AB = CD = 100 mm and BC = DA = 80 mm. Forces of 100 N each act along AB and CD and forces of 50 N each at along BC and DA. Find the resultant moment of the two couples.
Answer» Skyli PROVIDES a workable method. I prefer a method easier to visualize:2 x 100 x 40 N.mm + 2 x 50 x 50 N.mm = 13.0 newton.metersas though the COUPLE were ACTING through the centroid.

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ABCD is rectangle, in which AB = CD = 100 mm and BC = DA = 80 mm. Forces of 100 N each act along AB and CD and forces of 50 N each at along BC and DA. Find the resultant moment of the two couples.​

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ABCD is rectangle, in which AB = CD = 100 mm and BC = DA = 80 mm. Forces of 100 N each act along AB and CD and forces of 50 N each at along BC and DA. Find the resultant moment of the two couples.