Question

Derive formula for parallelogram addition of vector






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Answer 1

Answer:

→A and →B make an angle θ between them. To get the resultant by the parallelogram law of vector addition, we draw the complete parallelogram OPQR. Therefore, according to the parallelogram law of vector addition, →C is the resultant vector of →A and →B. The resultant has a magnitude OQ and makes an angle of φ with →B.

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