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Motion Test Review 3
Test Description: Review on distance, displacement, time, and speed
Instructions: Answer all questions to get your test result.
1) The speed you read on a speedometer is ______ because it shows the speed at a given point in time.
A
velocity
B
average speed
C
instantaneous speed
D
constant speed
2) A merry-go-round horse moves at a constant speed but a changing _____ because it is constantly changing direction.
A
balanced force
B
unbalanced force
C
velocity
D
inertia
3) If you ride your bike down the road for 5 miles then turn around and ride back, your distance is ____ than your displacement.
A
can\'t determine
B
equal to
C
greater than
D
less than
4) 3 m/s east is an example of a(n):
A
speed
B
acceleration
C
position
D
velocity
5) Why is velocity a vector quantity and speed a scalar quantity?
A
velocity has momentum; speed has time
B
velocity has magnitude and direction; speed has magnitude only
C
velocity has magnitude only; speed has magnitude and direction
D
velocity has greater energy; speed has lower energy
6) Students are asked to measure the speed of a toy car as it moves across the floor. What materials will they need to complete this assignment?
A
a triple beam balance
B
a meter stick and a stop watch
C
a triple beam balance and a meter stick
D
a meter stick
7) A bus travels at a speed of 50 km/hr for 1 hour. The distance traveled is_____.
A
50 km
B
51 km
C
25 km
D
49 km
8) Velocity includes a direction as well as speed which makes it a _____ quantity.
A
scalar
B
displacement
C
vector
D
distance
9) A student runs 3 miles north and then turns and runs 2 miles east. What is her total distance travelled?
A
10 miles
B
6 miles
C
5 miles
D
1 mile
10) When graphing motion, time is placed on the __-axis because it is the ______ variable.
A
x-axis; dependent
B
y-axis; independent
C
x-axis; independent
D
y-axis; dependent
*select an answer for all questions
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