Cross Product Properties Flashcards
1
Q
(a x b) is perpendicular to
A
vectors a and b
2
Q
a x a =
A
0
3
Q
(a +b) x c =
A
a x c + b x c
4
Q
a x (b+c) =
A
a x b + b x c
5
Q
a x (b x c) =
A
(a *c)b - (a * b)c
6
Q
(a x b) x c =
A
(a * c)b - (b * c)a
7
Q
K(a x b) =
A
(Ka) x b = a x (Kb)
8
Q
what makes vectors a and b parallel?
A
axb = 0
9
Q
|a x b|=
A
|a||b| sin (x)
10
Q
|a x b| <=
A
|a||b|
