Vector Algebra
Who has only value and not the direction?
SCALAR
How many unit vectors in one coordinate system?
3
Unit vector of X axis is ....?
i OR ax
j cross j =
0
When two vectors are perpendicular, their _____ is 0
Dot Product
Unit vector is ratio of.....
Vector to value of vector
Value of vector in Cartesian is
Sqrt (x2+y2+z2)
If A = (Ax, Ay, Az) and B = (Bx,By,Bz). Then A dot B will be....
AxBx + AyBy + AzBz
Which rule is used to add two Cartesian vectors?
Parallelogram rule
If A = 10ax - 4ay + 6az and B = 2ax + ay, Find A dot B
20 - 4 + 0 = 16
Position Vector is distance between ____ & _____
Origin & Point
_____ vector gives displacement between two points
Distance
A = 10ax - 4ay + 6az and B = 2ax + ay, then value of 3A - B = ?
value of (28,-13,18) = 35.74
Points P and Q are located at (0, 2, 4) and ( - 3 , 1, 5). Find The distance from P to Q
sqrt (9,1,1) = 3.317
dacadsc
dscsdsds
400
500
Position vector is also known as......
radius vector
saxasxa
saxsasaassa
asxaxssa
sxasasasa
600
700
61651651
516516516
saxx
sxsasasa
ssasasa
sasassasa