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Measureing Motion
Test Description: Measuring Motion
Instructions: Answer all questions to get your test result.
1) An object that appears to stay in one place while another is moving.
A
reference point
B
velocity
C
average speed
D
motion point
2) In order to find the speed of an object, one must know the__________________.
A
distance and direction
B
distance and time
C
speed and time
D
time and average
3) In order to see motion, one needs a___________.
A
reference point
B
velocity
C
negative acceleration
D
average speed
4) Speed is measured in:
A
miles per hour (mi/h)
B
centimeters (cm)
C
newtons (n)
D
meters per second (m/s)
5) If Ben runs six meters in two seconds, his average speed is_____________.
A
12 mph
B
3 m/s
C
12 m/s
D
3 mph
6) The speed of an object in a particular direction.
A
motion
B
velocity
C
speed
D
direction
7) When an object changes velocity.
A
average speed
B
centripetal
C
acceleration
D
average velocity
8) Velocity is like speed, but it must include a (an)____________.
A
direction
B
circle
C
acceleration
D
negative
9) Acceleration in a circle is___________acceleration.
A
average
B
centripetal
C
positive
D
negative
10) When a car speeds up, it is a________acceleration.
A
average
B
negative
C
centripetal
D
positive
11) A fan is always accelerating because it is always_______________
A
changing speed
B
moving forward
C
changing direction
D
changing reference points
12) If Sara is running 10 m/s north on a treadmill going 11 m/s south, her velocity is____________.
A
1 m/s north
B
21 m/s north
C
21 m/s south
D
1 m/s south
13) If Maria is walking 2 m/s east on a bus going 12 m/s east, her velocity is____________.
A
14 m/s east
B
10 m/s east
C
10 m/s west
D
14 m/s west
14) If Jerome runs 50 meters in 10 seconds, his average speed is_____________.
A
60 m/s
B
60 mph
C
40 m/s
D
5 m/s
15) If Aaron runs 10 meters in 5 seconds, his average speed is_____________.
A
2 m/s
B
5 m/s
C
50 m/s
D
2 mph
16) When a car slows down, it is a________acceleration.
A
different
B
negative
C
positive
D
centripetal
17) Average speed is found by dividing______________.
A
speed over time
B
distance over direction
C
distance over time
D
speed over direction
*select an answer for all questions
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