A plate in the shape of a parallelogram is acted upon by two couples. Determine (a) The

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A plate in the shape of a parallelogram is acted upon by two couples. Determine

(a) The moment of the couple formed by the two 21-N forces,

(b) The perpendicular distance between the 12-N forces if the resultant of the two couples is zero,

(c) The value of α if the resultant couple is 71.8 N m ⋅ clockwise and d is 1.05 m.




21 NC 12 N 12N 0.4 m 21 N


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