WorksheetsPhysics Test #3
Total questions: 16
Worksheet time: 1hrs 11mins
Name
Class
Date
1.
Find the component form of the vector. Round to three decimals.
a)
<16.116, 7.798>
b)
<16.298, 7.335>
c)
<16.892, 7.530>
d)
<16.314, 7.607>
2.
A car travels 90 meters due north in 15 seconds. Then the car turns around and travels 40 meters due south. What is the magnitude and direction of the car's resultant displacement?
a)
40 metres, South
b)
50 metres, South
c)
50 metres, North
d)
40 metres, North
3.
The _______ of two or more vectors is the sum of the vectors.
a)
components
b)
scalar
c)
resultant
d)
magnitude
4.
A vector has both ____ and _____
a)
speed and length
b)
magnitude and direction
c)
degrees and radians
d)
style and grace
5.
In practice A of the figure, what is the direction of the resultant displacement?
a)
63 degrees, South of East
b)
63 degrees, North of West
c)
27 degrees, North of West
d)
27 degrees, South of West
6.
In practice B of the figure, which displacement is the horizontal component?
a)
30 km, East
b)
30 km, West
c)
40 km, North
d)
40 km, South
7.
In practice A of the figure, What is the magnitude of the resultant displacement?
a)
5 km
b)
8 km
c)
11 km
d)
15 km
8.
If a boomerang is thrown 20 m in a straight line and returns exactly to the spot it was thrown what is its displacement?
a)
20m
b)
40m
c)
0m
d)
-20m
9.
If a car moves 12 km North, 19 km East, and 12 km South, what is its displacement?
a)
12 km
b)
19 km, East
c)
31 km
d)
43 km, East
10.
What is the net force?
100 N 230 N
<------ --------->
100 N 230 N
<------ --------->
a)
30 N to the right
b)
230 N to the right
c)
130 N to the right
d)
This is a balanced force
11.
What is the x component of the vector given in the diagram?
a)
77N
b)
92N
c)
120N
d)
60N
12.
What is the y component of the vector given in the diagram?
a)
77N
b)
92N
c)
120N
d)
60N
13.
A hiker walks 5 kilometers due north and then 7 kilometers due east. What is the hikers resultant displacement?
a)
2 km
b)
8.6 km
c)
12 km
d)
12.6 km
14.
Which would hit the ground first if dropped from the same height in a vacuum—a feather or a metal bolt?
a)
the feather
b)
the metal bolt
c)
They would hit the ground at the same time.
d)
They would be suspended in a vacuum.
15.
Which would fall with greater acceleration in a vacuum—a leaf or a stone?
a)
the leaf
b)
the stone
c)
They would accelerate at the same rate.
d)
It is difficult to determine without more information.
16.
A freely falling object starts from rest. After falling for 6 seconds, it will have a speed of about:
a)
6m/s
b)
30m/s
c)
60m/s
d)
300m/s
100 %
