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Motion
Test Description: Review of distance, displacement, speed, velocity, and acceleration
Instructions: Answer all questions to get your test result.
1) _________ is a unit of speed
A
hr
B
m/s
C
kg
D
s
2) Distance is
A
always in a straight line.
B
how far you actually travel.
C
how far you end up from your starting point.
D
a vector quantity.
3) Displacement is
A
always a straight line.
B
how far you end up away from your starting point.
C
a vector quantity.
D
all of the above.
4) George walks 5 blocks east, then turns around and walks 4 blocks back toward his starting point. What is the distance that George travels?
A
9 blocks
B
1 block east
C
1 block west
5) George walks 5 blocks east, then turns around and walks 4 blocks back toward his starting point. His displacement is
A
1 block west
B
9 blocks south
C
9 blocks
D
1 block east
6) A ____________ quantity can be described with a magnitude alone.
A
physical
B
vector
C
scalar
D
large
7) A ____________ quantity requires both magnitude and direction.
A
scalar
B
large
C
vector
D
physical
8) ___________ describes how fast something is going, whereas, _____________ describes how fast something is going in a certain direction.
A
speed, acceleration
B
speed, velocity
C
rate, speed
D
rate, velocity
9) If a total distance of 750m is covered in a time interval of 25s, the average speed is
A
30 mph
B
30 m/s
C
3 mph
D
3,974 mph
10) Which of the following is a measure of velocity?
A
30 South
B
30 m/s South
C
30s
D
30 m/s
11) If a person walked at 2 m/s for 12 s, they would travel a distance of
A
4m
B
24m
C
6m
D
none of the above
12) Average speed can be found by
A
multiplying time by distance traveled.
B
dividing the change of velocity by time traveled.
C
dividing time by distance traveled.
D
dividing distance traveled by time.
13) The _________ of a distance-time graph is speed.
A
origin
B
none of these answers
C
y-intercept
D
slope
14) In a distance-time graph, a line with a slope of 0 means
A
the object is not moving.
B
the velocity is constant.
C
the speed is constant
D
time has stopped.
15) In a speed-time graph, a line with a slope of 0 means
A
the object has returned to its point of origin.
B
the speed of the object is constant.
C
the object is accelerating.
D
the object is not moving.
16) The rate at which the velocity of an object is changing is known as:
A
velocity
B
acceleration
C
rate
D
speed
17) If a car is going 100 m/s and slows down to 50 m/s in 20s, what is the rate of acceleration?
A
25 m/s/s
B
50 m/s
C
-2.5 m/s/s
D
-5 m
18) Motion that is occurring under the influence of gravity ONLY is known as
A
free fall
B
gravitational speed
C
gravitational motion
D
negative velocity
19) Acceleration is calculated by
A
multiplying distance by time.
B
dividing time by change in velocity.
C
dividing distance by time.
D
dividing change in velocity by time.
20) Acceleration can describe
A
a change in direction.
B
an increase in speed.
C
all of the above
D
a decrease in speed.
*select an answer for all questions
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