If G is the centroid of a
Two vectors when act along the same line or along parallel lines are called
Collinear vectors
Coplanar vectors
Equal vectors
Position vectors
A vector whose magnitude is of unit length is called
zero vector
unit vector
position vector
collinear vector
If are unit vectors inclined at an angle α ,
A vector whose magnitude is the same as that of a vector but whose direction is opposite to that of is called
positive vector
negative vector
equal vector
1
2
3
4
If be a non-zero vector then is a
null vector
scalar
unit vector parallel to
unit vector perpendicular to
The projection of the vector is
5/√3
10/√6
5/√6
10/√3
If θ is the angle between two vectors only when
0 < θ < π/2
0 ≤ θ ≤ π/2
0 < θ < π
0 ≤ θ ≤ π
The magnitude, the displacement of vector from position (2, 4, 2) to position (6, 1, 12) is
3 √7
5√3
3 √8
5√5
