Vectors Flashcards
1
Q
A vector is . . .
A
a quantity which has both magnitude and direction
2
Q
When finding displacement in vectors I need to find . . .
A
the distance and bearing between the two points
3
Q
Two vectors are parallel if and only
A
if they are moving in the same direction
4
Q
i and j notation are used in cartesian vectors
A
i represents the horizontal component
j represents the vertical component
5
Q
Cartesian vectors involve i, j notation
A
The i vector refers to horizontal movement.
The j vector refers to vertical movement.
6
Q
When adding Cartesian vectors,
A
you need to combine the same components
For example,
a = 2i + 3j b = i + j
a + b = (2 + 1)i + (3 + 1)j = 3i + 4j
