in polygon law how can we simply add given vectors...??

Dear student,

Polygon Law of Vectors

            If a number of vectors are represented as the sides of a polygon taken in order, the resultant is represented by the closing side of the polygon taken in the reverse order. In the case where number of forces act simultaneously at a point and keep it in equilibrium, this law states that, these forces can be represented as a sides of a polygon taken in order.      

     Vectors a,b,c,d,e,f are taken as the adjacent sides of the polygon; the vector shown with dashed line is taken in the reverse order to  represent the direction of the resultant ; its length is the magnitude of the resultant.

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