Precalculus Quiz
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VECTORS
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A force vector
v
\mathbf{v}
v
has magnitude
60
N
60\ \text{N}
60
N
directed due north. What are the magnitude and compass direction of
−
1
2
v
-\tfrac{1}{2}\mathbf{v}
−
2
1
v
?
A
Magnitude
30
N
30\ \text{N}
30
N
; due north
B
Magnitude
120
N
120\ \text{N}
120
N
; due south
C
Magnitude
30
N
30\ \text{N}
30
N
; due south
D
Magnitude
60
N
60\ \text{N}
60
N
; due south
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