Question

if three vectors are added .the resultant ..?

a)must be zero
b)may be zero
c)may be non zero
d)must be non zero​

Answer 1

Answer:

a) must be zero...

Explanation:

Because, if 3 vectors are added then no effect in the magnitude and direction of resultant....

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Answer 2

If three vectors are added the resultant "may be zero". The correct option is (b)may be zero.

Explanation:

1. The Resultant is the vector addition of two or more vectors that may be coplanar or may lie in a different plane.
2. When three vectors are acting in the same plane, the resultant must be zero.