Question

derive an expression of parallelogram law of vector addiction ​

Answer 1

Answer:

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Explanation:

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Answer 2

Answer:

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Explanation:

Derivation of the law

Let θ be the angle between P and Q and R be the resultant vector. Then, according to parallelogram law of vector addition, diagonal OB represents the resultant of P and Q. Now, expand A to C and draw BC perpendicular to OC.