A vector may change if,
1) Frame at reference is translated
2) vector is rotated
3) Frame of reference is rotated \( \alpha \)
4) Vector is translated parallel to itself
Which of the following operation will not change a vector
\( W \)
1) Rotation about the tail
2) Rotation about the tip
3) Rotation in its own plane
4) Shifting the vector parallel to itself
Which of the following arrangements in the figure correctly shows the vector addition of two forces \( \vec{F}_{1} \) and \( \vec{F}_{2} \) to give a third force \( \vec{F}_{3} \)