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- 1. Multiple Choice
Find the magnitude.
4
5
3
square root of 5
- 2. Multiple Choice
Component Form
<-3, -7>
<3, -7>
<-3, 7>
<7, 3>
- 3. Multiple Choice
Write in component form.
<0, 4>
<8, 2>
<2, 8>
<0, 2>
- 4. Multiple Choice
Determine the magnitude of the vector <8, -2>
2√3
2√17
2√15
2√5
- 5. Multiple Choice
Determine the direction of <8, -2>
346 degrees
14 degrees
166 degrees
194 degrees
- 6. Multiple Choice
2 forces 12N & 40N with angle between of 20 deg. Determine the magnitude of the resultant.
51.4
2646.1
841.9
29.0
- 7. Multiple ChoiceWhich statement describes a vector?It has magnitude but no directionIt has direction but no magnitudeIt has both direction and magnitudeIt has constant magnitude but no
direction - 8. Multiple ChoiceWhich statement describes a vector?It has magnitude but no directionIt has direction but no magnitudeIt has both direction and magnitudeIt has constant magnitude but no
direction - 9. Multiple ChoiceWhich of these is not a vector quantity?displacementtimevelocityacceleration
- 10. Multiple ChoiceWhat is the x component of the vector given in the diagram?77N92N120N60N
- 11. Multiple ChoiceWhat is the y component of the vector given in the diagram?77N92N120N60N
- 12. Multiple Choice
Write the vector from C to A...
a
-a
b
-b
- 13. Multiple Choice
Write the vector from A to D...
a + b
-a + b
b - a
a - b
- 14. Multiple Choice
Write the vector from C to B...
a + b
-a + b
b + a
a - b
- 15. Multiple Choice
Write the vector from F to D...
y - z
x + z
-x + z
z - x
- 16. Multiple Choice
Write the vector from A to D...
x + y + z
x - y + z
-x + y + z
x - y - z
- 17. Multiple Choice
Write the vector from C to B...
r + s
s - r
s + r
r - s
- 18. Multiple Choice
a is the position vector of point A
b is the direction vector of line L
r is the position vector of all points in L, represented by P(x,y)
- 19. Multiple Choice
OB + BC = OC
OA + AC = OC
CB + B0 = -OC
OD = 0.5(OA + AC)
- 20. Multiple Choice
Vectors a, b, c are defined as:
a = 2i + 5j; b = i - 3j; c = -3i - j. Answer all correct answers
a + b = 3i + 8j
a - b = i + 8j
a + c = -i + 4j
c - b = -5i + 6j
- 21. Multiple Choice
Vectors a, b, c are defined as:
a = 2i + 5j; b = i - 3j; c = -3i - j. Answer all correct answers
a + b = 3i + 8j
a - b = i + 8j
a + c = -i + 4j
c - b = -5i + 6j
- 22. Multiple Choice
Vector a = 2i + 3j - 5k. What is the value of 3a?
3i + 3j - 3k
5i + 6j - 8k
6i + 9j -15k
6i + 6j - 15k
- 23. Multiple Choice
Given points A(2, 1) and B(-4, 1). Explain why the vector AB is parallel to the x-axis
because vector AB is a multiple of the unit vector i
because vector AB is a multiple of the unit vector j
because vector AB is a multiple of the unit vector k
- 24. Multiple ChoiceFind the direction and magnitude of the resultant vector for the drawing of two forces.Direction 90°
Magnitude 139.0NDirection 52.3°
Magnitude 195NDirection 52.3°
Magnitude 139.0NDirection 37.7°
Magnitude 139.0N - 25. Multiple Choice
Which is NOT an equation for the vector diagram given?
- 26. Multiple Choice
Given vectors u and v, find w when w=2u-3v.
- 27. Multiple Choice
Which of the following vectors are parallel to vector a? (There may be multiple solutions.)
- 28. Multiple Choice
Which of the following is equal to the vector equation given?
- 29. Multiple Choice
Given parallelogram KOSH in space. Find point H when K(6,1,7); O(3,4,1); S(-2,0,5).
H (1, -3, 11)
H (-5, 3, -1)
H (-7, -4, 9)
H (11, 5, 3)
- 30. Multiple Choice
Which unit vector is parallel to vector a?
- Answer choicesTagsAnswer choicesTags