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Worksheetskinematics Review Grade 7
Total questions: 73
Worksheet time: 2hrs 33mins
Speed formula
S=S X T
S=TX S
S=D/T
S=T/D
Speed -
A measure that gives rate of change and position
A measure that dissolves to one unit
A measure of distance an object travels per unit of time.
A measure of distance an object travels per unit of measurement.
Which of the following would best represent the forward movement of a marching band?
The band marched in place.
The band marched 2.1 miles.
The band marched -2.1 miles.
The band marched for 10 minutes.
How can you tell motion occurs?
The object's speed decreases in regards to the reference point.
The object and the reference point both move at the same speed.
The object's speed increases in regards to a reference point.
The object's position changes in regards to a reference point.
Rachel walks 12 feet from her locker to her class, remembers that she forgot her calculator and walks back to her locker. Then she walks back to class. What was her displacement?
36 feet
24 feet
0 feet
12 feet
To tell that motion takes place, you must have a(n):
reference point
direction
position
speed
velocity
If you walk 5 meters south, 5 meters west, 5 meters north, and then 5 meters east, what is your displacement?
0 m
20 m
15 m
10 m
5 m
2.5 m/s
10 m/s
1.6 m/s
0 m/s
Constant Velocity
Increasing Velocity
Decreasing Velocity
At rest
Which of these intervals represents constant velocity?
0 to 1 sec
1 to 2 sec
3 to 4 sec
4 to 6 sec
Which interval has the greatest displacement form the two points?
1 to 2 sec
2 to 3 sec
3 to 4 sec
5 to 6 sec
Which interval has the greatest magnitude of acceleration?
0 to 1 sec
1 to 2 sec
3 to 4 sec
4 to 6 sec
Imagine this is representing the velocity of a racecar. How might the car actually accelerate based on the information from the graph.
The car sped up.
The car slowed down.
The car turned around a corner.
The car cannot accelerate based on the graph.
The graph is representing a person driving to work. How might we describe the motion of the vehicle during section A?
Positive Acceleration
(increasing speed)
Negative Acceleration
(decreasing speed)
Constant Speed
(no acceleration)
at rest
(not moving)
What is the acceleration of the vehicle from 0 to 2 sec?
a = (Vf-Vi)/time
15 m/s2
60 m/s2
30 m/s2
10 m/s2
Which of the following sets of graphs best displays the motion of an object with constant positive acceleration?
What do these two graphs represent?
Both represent an object at rest
Both represent an object at constant velocity
The first graph is an object at rest, the second is an object at constant velocity
The first graph is an object at constant velocity, the second graph is an object at rest.
A boat initially moving at 6 m/s accelerates at 3 m/s2 for 12 s. What is the velocity of the boat after 12 seconds?
Vf = Vi + at
42 m/s
36 m/s
0.25 m/s
72 m/s
A runner is completing the 400m hurdle race at a high school track meet. A standard track is 400m and requires the athlete to leap a total of 10 hurdles. After completing the race, what is the runners total distance traveled and displacement respectively?
0m, 400m
400m, 0m
400m, 10m
400m, 400m
When describing motion, why are North, South, East and West not considered vectors?
They have no reference coordinates.
They state a magnitude only.
They state a direction but not a magnitude.
They are scalars based on geographic location.
A biker travels 25 miles in 2 hours. What is the average speed in miles per hour?
50 mph
20 mph
12.5 mph
20 km/h
How far will a person go if they jog for 2 hours at a speed of 12 km/h?
According to the information and graph shown above, what does the intersection of the two graphs represent?
The students have equivalent velocities.
The students have reversed direction and are heading back toward the origin along their original path.
The students have equivalent displacements.
The students have met at the same position about 3m from the reference point.
Imagine the position - time graph is showing the movement of a car. What best describes the magnitude of the velocity of the car?
Constant
Increasing
Decreasing
None of these
According to the information on the graph, what is the displacement of the car between t = 1 s and t = 4 s?
0 m
5 m
15 m
20 m
What is the average velocity of the car during the time interval shown?
0 m/s
5 m/s
10 m/s
20 m/s
What is the average acceleration of the car during the time interval shown?
0 m/s^2
5 m/s^2
10 m/s^2
20 m/s^2
Describe the motion.
at rest/not moving
constant speed
constant acceleration
constant deceleration
Describe the motion.
increasing speed
decreasing speed
increasing acceleration
decreasing acceleration
increasing deceleration
Describe the motion.
at rest/not moving
constant speed
constant acceleration
constant deceleration
Describe the motion.
at rest/not moving
constant speed
constant acceleration
constant deceleration
Describe the motion.
increasing speed
decreasing speed
increasing acceleration
decreasing acceleration
increasing deceleration
Describe the motion.
at rest/not moving
constant speed
constant acceleration
constant deceleration
Describe the motion.
at rest/not moving
constant speed
constant acceleration
constant deceleration
Describe the motion.
at rest/not moving
constant speed
constant acceleration
constant deceleration
A truck accelerates from rest to 10 m/s in 5 s. What is the distance travelled at the end of 5 s? (Hint: Use the equation sheet)
5 m
10 m
25 m
50 m
cannot be determined
A truck decelerates from a speed of 10 m/s to rest in 5 s. What is the distance travelled during the deceleration? (Use kinematics equation sheet )
5 m
10 m
25 m
50 m
cannot be determined
A truck accelerates from 2 m/s to 12 m/s in 5 s. What is the distance travelled at the end of 5 s? (Use the kinematics equation sheet )
10 m
25 m
35 m
60 m
cannot be determined
What is the correct unit for acceleration?
s2m
sm
Watts (W)
Newton⋅meter
When an object is slowing down that means that the acceleration is
In the same direction as the velocity
In the opposite direction as the velocity
In any direction, we need more information to know the direction.
0, since there is no acceleration.
Acceleration is…
The rate at which the position of an object changes
How quickly an object is traveling
How far away an object is from its starting position
The rate at which the velocity of an object changes
Velocity is the _______ of a Position vs Time graph
Slope
Y-axis
X-axis
Line/Equation
Acceleration is the ________ of a Velocity vs. Time graph
Slope
Y-Axis
X-Axis
Equation/Line
Distance travelled can be calculated by finding the area under the line.
True
False
What is the rate of acceleration of the object between 0 and 4 seconds?
1 m/s
0 m/s2
-1 m/s2
1 m/s2
An airplane lands on a runway with a velocity of 150 m/s. How far will it travel until it stops if its rate of deceleration is constant at -3 m/s2?(Use the kinematics equation sheet )
525 m
3750 m
6235 m
9813 m
A skater increases her speed uniformly from 2.0 meters per second to 8.0 meters per second over a distance of 12 meters. The magnitude of her acceleration as she travels this 12 meters is
3.8 m/s2
2.2 m/s2
1.9 m/s2
2.5 m/s2
Which graph represents an object moving at a constant speed for the entire time interval?
The graph represents the displacement of an object
moving in a straight line as a function of time. What was the total distance traveled by the object during the 10.0-second time interval?
0 m
16 m
24 m
8 m
Which pair of graphs represent the same motion?
The graph represents the relationship between distance and time for an object in motion. During which interval is the speed of the object changing?
AB
BC
CD
DE
The graph shows the relationship between speed and elapsed time for a car moving in a straight line.
Based on the graph shown, calculate the total distance the car traveled during the time interval 4.0 seconds to 8.0 seconds.
30 m
40 m
20 m
96 m
