Question

under what condition the sum of two vectors will be zero

Answer 1

their magnitude would be same and they would act in the same line and opposite direction..

Answer 2

so thats when hey will be zero

Answer 3

hmm

Answer 4

Yes, the three vectors that make up a triangle sum to zero, imagine you are walking on a path described by three vectors that form a triangle, your total displacement, the vector sum of distance traveled from the start, is zero, since you end up where you started.

Answer 5

okay thx i got it

Answer 6

:)
Citation: http://answers.yahoo.com/question/index?qid=20101030070420AAr4QgI

Answer 7

no like iwas asking in wat condition they will be zero

Answer 8

also when the two vectors are null vectors (vectors with zero magnitude).