Three vectors are added following the rules of vector addition. A fourth vector is drawn from the tail of the first vector to the head of the last vector. This fourth vector is referred to as ____.
a)
the equilibrant
b)
the hypotenuse
c)
the resultant
d)
the mistake
2.
A vector includes ______ and ________.
a)
direction, magnitude
b)
magnitude, units
c)
direction, units
d)
scalars, scalars
3.
Which of the following describes the vector above?
a)
45 cm
b)
45 cm at 30 degrees North of East
c)
45 cm at 30 degrees East of North
d)
45 cm North East
4.
A resultant vector is
a)
equal to the sum of one vector.
b)
equal to the sum of two or more vectors.
c)
equal to the difference of one vector.
5.
The vector diagram above represents the horizontal component, FH, and the vertical component, FV, of a 24-newton force acting at 350 above the horizontal. What are the magnitudes of the horizontal and vertical components?
a)
FH = 20 N and FV = 14 N
b)
FH = 4.9 N and FV = 3.5 N
c)
FH = 3.5 N and FV = 4.9 N
d)
FH = 14 N and FV = 20 N
6.
How do you combine vectors if they are in opposite directions?
a)
Add
b)
Subtract (or add a negative)
c)
Pythagorean Theorem
d)
Use trigonometry
7.
How do you determine the horizontal component of a 30 m/s vector at 110 degrees?
a)
30 sin 110
b)
30 cos 110
c)
110 sin 30
d)
110 cos 30
8.
What is the resultant force?
a)
10 N
b)
30 N
c)
20 N
d)
40 N
9.
What is the resultant force?
a)
30 N
b)
60 N
c)
0 N
d)
90 N
10.
Examples of vector quantity are __________________ (You can tick more than one answer)
a)
displacement
b)
speed
c)
velocity
d)
acceleration
11.
Lilly is paddling in her kayak 3 m/s East in a river that has a current of 0.5 m/s West. What is her resultant velocity?
a)
2.5 m/s East
b)
3.5 m/s East
c)
2.5 m/s West
12.
A car drives 30 meters north, then 20 meters west, and finally 40 meters south to reach the gas pump at Bucee’s
What is the correct drawing of vectors?
a)
b)
c)
d)
13.
Bob walks 4 miles west and stops to rest. He then continues to walk another 3 miles west. What is his displacement?