Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test Physics Vectors Addition and subtraction of vectors
The vector sum of three vectors \(\vec{A},\,\vec{B}\,and\,\vec{C}\) is zero. If \(\hat{i}\,and\,\hat{j}\) are unit vectors in the directions of \(\vec{A}\,and\,\vec{B}\) respectively, then:
1
\(\vec{C}\) should be along \(\hat{i}\)
2
\(\vec{C}\) should be along \(\hat{j}\)
3
\(\vec{C}\) should be in the plane of \(\hat{i}\,and\,\hat{j}\)
4
More than one of the above
5
None of the above