Chapter 4 Flashcards
1
Q
What is the difference between a vector and a scalar?
A
A vector possesses both magnitude and direction. A scalar only possesses magnitude.
2
Q
The unit vector of u is denoted as … .
A
û
3
Q
How is the magnitude of a vector calculated?
A
4
Q
The unit vector in the direction of a is … .
A
5
Q
The scalar product / dot product of two vectors is defined as … .
A
6
Q
What does θ denote in the scalar product?
A
θ denotes the smaller angle between the two vectors.
7
Q
If a and b are perpendicular or orthogonal,
then … .
A
a.b = 0
8
Q
If a.b = 0, then a and b are … .
A
perpendicular / orthogonal ´
