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Measuring Motion Review
Test Description: Motion review
Instructions: Answer all questions to get your test result.
1) Speed in a given direction is?
A
speed
B
motion
C
acceleration
D
velocity
2) The rate at which an object moves is called?
A
motion
B
velocity
C
speed
D
acceleration
3) A change in velocity over time is?
A
velocity
B
motion
C
speed
D
acceleration
4) To determine the velocity of a moving object, you need to know both:
A
speed and direction
B
speed and time
C
distance and time
D
direction and time
5) Changing direction can be an example of a kind of:
A
acceleration
B
momentum
C
constant rate
D
speed
6) Olympic gold medalist, Usain Bolt, starts running north for the 5 km race at 10:15 am and finishes at 10:35 am. Given this information you can calculate the runner’s:
A
acceleration
B
mass
C
Velocity
D
Momentum
7) What condition is needed for an object to make a good reference point?
A
The object is the same size as the moving object
B
The object has a constant velocity
C
The object is stationary
D
The object is moving at the same rate as the object you are trying to describe
8) A girl leaves a history classroom and walks 20 meters north to a drinking fountain. Then she turns and walks 30 meters south to an art classroom. What was her total distance and displacement from the history classroom?
A
distance = 50 , displacement = 30
B
distance = 20 , displacement = 30
C
distance = 50, displacement = 10
D
distance =50, displacement = 50
9) To run the 800 meter race you must run around the track 2 times, ending at the race at the same place your started it. What is your displacement
A
0
B
800
C
400
D
2
10) A car that traveled a total of 215 km south in 3.5 hours. What is the displacement?
A
215 km
B
3.5 hour
C
215 km south
D
61.4 km/hr south
11) What is the velocity of a car that traveled a total of 215 km south in 3.5 hours?
A
61.4 km/hr
B
3.5 hr
C
61.4 km/hr south
D
215 km south
12) A track star is set to begin a race. When she hears the gun, she begins to run, reaching a top speed of 8 meters per second. It took her 4 seconds to reach her top speed. What is her final velocity (speed)
A
0 m/s
B
8 m/s
C
2 m/s2
D
4 seconds
13) A track star is set to begin a race. When she hears the gun, she begins to run, reaching a top speed of 8 meters per second. It took her 4 seconds to reach her top speed. What is her initial velocity (speed)
A
2 m/s 2
B
8 m/s
C
4 seconds
D
0 m/s
14) A track star is set to begin a race. When she hears the gun, she begins to run, reaching a top speed of 8 meters per second. It took her 4 seconds to reach her top speed. What is her acceleration
A
8 m/s
B
2 m/s 2
C
0 m/s
D
4 seconds
*select an answer for all questions
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