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Multiple Choice
A) the magnitude of the resultant is one-third the magnitude of the component vectors.
B) the magnitude of the resultant is three times the magnitude of the component vectors.
C) the magnitude of the resultant is more than three times the magnitude of each component vector.
D) the resultant is zero.
E) the magnitude of the resultant is equal to the magnitude of the component vectors.
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True/False
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Multiple Choice
A) 90°
B) 0°
C) 360°
D) 180°
E) 270°
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Short Answer
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View Answer
Multiple Choice
A) 180 N at an angle 60.0° with respect to +x-axis.
B) 60.0 N at an angle 90.0° with respect to +x-axis.
C) 20.0 N at an angle 34.3° with respect to +x-axis.
D) 35.5 N at an angle 34.3° with respect to +x-axis.
E) 40.0 N at an angle 60.0° with respect to +x-axis.
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Multiple Choice
A) 2.0 m at an angle 30° north of east.
B) 2.0 m at an angle 60° north of east.
C) 10.0 m at an angle 60° east of north.
D) 10.0 m at an angle 30° north of east.
E) 10.0 m at an angle 60° north of east.
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Multiple Choice
A) 157 m/s at an angle 7.31° south of east.
B) 157 m/s at an angle 7.31° east of south.
C) 155 m/s at an angle 7.36° south of east.
D) 155 m/s at an angle 7.36° east of south.
E) 157 m/s at an angle 7.36° south of east.
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Multiple Choice
A) increase by a factor of 8.
B) increase by a factor of 4.
C) increase by a factor of 2.
D) increase by a factor of .
E) not change.
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Multiple Choice
A) A vector can have positive or negative magnitudes.
B) A vector's magnitude cannot be more than the magnitude of one of its components.
C) A vector's magnitude cannot be less than the sum of the magnitude of its components.
D) If the x-component of a vector is smaller than its y-component then that vector is in the opposite direction to its y-component.
E) The magnitude of a vector cannot be zero unless all of its components are zero.
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Multiple Choice
A) (-1, -5) .
B) (3, 3) .
C) (1, -5) .
D) (0, 4) .
E) (-1,3)
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Multiple Choice
A) velocity
B) acceleration
C) displacement
D) mass
E) force
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Multiple Choice
A) 53.1°
B) 36.9°
C) 126.9°
D) 22.4°
E) 48.6°
Correct Answer
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Multiple Choice
A) 5.00 m at an angle 36.9° south of east.
B) 5.00 m at an angle 53.1° south of east.
C) 5.00 m at an angle 71.6° south of east.
D) 5.00 m at an angle 18.4° south of east.
E) 5.00 m at an angle 26.6° south of east.
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Multiple Choice
A) 2.7 m at an angle 74° north of east.
B) 5.9 m at an angle 74° north of east.
C) 4.8 m at an angle 74° east of north.
D) 5.1 m at an angle 74° north of east.
E) 2.1 m at an angle 66° east of north.
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Multiple Choice
A) 7.0 m east.
B) 7.0 m west.
C) 1.0 m east.
D) 1.0 m west.
E) 3.5 m west.
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Multiple Choice
A) 2.0 m at an angle 63° north of east.
B) 2.0 m at an angle 63° east of north.
C) 6.7 m at an angle 63° east of north.
D) 6.7 m at an angle 63° north of east.
E) 3.8 m at an angle 67° north of east
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Multiple Choice
A) +
.
B) -
.
C) .
D) .
E) None of the other choices is correct.
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True/False
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Multiple Choice
A) The northward component of vector is bigger than the northward component of vector
.
B) The southward component of vector is bigger than the southward component of vector
.
C) The eastward component of vector is bigger than the westward component of vector
.
D) The westward component of vector is bigger than the eastward component of vector
.
E) The westward component of vector is equal to the eastward component of vector
.
Correct Answer
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