Question

state parallelogram law of vector adition of two vector a and b inclined at angle thita is r=√a^2+b^2+2 abcosthita



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Answer 1

Explanation:

According to the parallelogram law of vector addition if two vectors act along two adjacent sides of a parallelogram(having magnitude equal to the length of the sides) both pointing away from the common vertex, then the resultant is represented by the diagonal of the parallelogram passing through the same common vertex .