3.1 Flashcards
1
Q
Scalar+ex
A
a single number with units
volume, temp, energy
2
Q
vector
A
quantity having both a size and a direction
3
Q
magnitude
A
the mathematical term for the length, or size of a vector
4
Q
the tail of the arrow is placed at
A
the point where the measurement is made
5
Q
Magnitude of the vector can be written as (2)
A
using absolute value sigs or as the letter without the arrow
Magnitude of the vector cannot be NEGATIVE!!! must be positive of zero with appropriate units
6
Q
Resultant Vector
A
The sum of two vectors
7
Q
you can add vectors
A
8
Q
you can add vectors
A
in any order
