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If Vector B is added to Vector A, under what condition does the resultant Vector A+B have magnitude A + B? under what condition is the resultant Vector equal to Zero? How to solve this question algebrically?? just want to verify my calculation! :)

If Vector B is added to Vector A, under what condition does the resultant Vector A+B have magnitude A + B? under what condition is the resultant Vector equal to Zero?


How to solve this question algebrically?? just want to verify my calculation! :)

Grade:11

1 Answers

SAGAR SINGH - IIT DELHI
878 Points
13 years ago

Dear chanchal,

1)When the angle between A and B is 90 degree,the resultant is A+B only.

2)When they are in opposite directions but equal in magnitude, the resultant comes out to be zero.

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Sagar Singh

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