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Vector Review Flashcards | StudBud
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Vector Review
Vector Review
11 terms
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StudBud Administration
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vectors, vector analysis, resolution, addition
Flashcards
11 cards
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Practice quiz
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Questions
11
Answers
1
Drawing lines from a vector arrowhead ⊥ the
x
and
y
axes helps you find the...
magnitude of the resultant
direction of the resultant
direction of the x and y components
x and y components
2
A vector that points directly north has an
x
component of 0.
True
False
3
When you add 2 or more vectors together, the answer is called the ___.
answer
vector
component
resultant
4
We use trigonometry functions to determine the
x
&
y
components of a vector.
True
False
5
A vector that points directly south is at what angle?
180o
0o
90o
270o
6
Vector addition is where you...
determine the parts of two or more vectors
determine the parts of one vector
determine the resultant of two or more vectors
determine the components of a vector
7
A vector is made up of what components?
speed
horizontal & vertical
horizontal
velocity & time
8
The y component of a vector is represented by which direction?
0o
45o
180o
90o
9
With v
i
at angle θ counterclockwise from east, v
x
is
vx = vi × sinθ
vx = vi × cosθ
10
The x component of a vector is represented by which direction?
90o
270o
0o
45o
11
Which of the following are NOT correct velocity vector units?
210o
10 m/s, south
5 cm/s, 15o
120 mi/hr, 90o
