Question

In paralleogram law of vectors. When is the resultant perpendicular to one of its vectors?​

Answer 1

Answer:

First find the resultant of any two of the vectors to be added. Then use the same method to add the resultant from the first two vectors with a third vector. This new resultant is then added to the fourth vector and so on, until there are no more vectors to be added.

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Answer 2

Answer:

When both are anti-parallel to each other.