
Physics Motion Quiz 06
Authored by Linda Anderson
Science
8th Grade
NGSS covered
Used 136+ times

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10 questions
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1.
FILL IN THE BLANK QUESTION
1 min • 1 pt
The position versus time graph is of an ant walking along a road. What is the total distance traveled in centimeters? (Write the number without units.)
Answer explanation
The total distance traveled is calculated by considering the absolute changes in position. Since the graph shows the ant returning to its starting point, the total distance is 0 cm.
2.
FILL IN THE BLANK QUESTION
1 min • 1 pt
The position versus time graph is of an ant walking along a road. What is the net displacement traveled in centimeters? (Write the number without units.)
Answer explanation
The net displacement is the difference between the final and initial positions. If the ant returns to its starting point, the displacement is 0 cm, despite any distance traveled. Thus, the correct answer is 0.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the object’s average speed for the entire motion shown?
0.5 cm/s
0.8 cm/s
0.9 cm/s
2.0 cm/s
Can’t be determined because the direction changes.
Answer explanation
To find average speed, divide total distance by total time. If the object travels a total distance of 9 cm in 10 seconds, the average speed is 0.9 cm/s. Thus, the correct answer is 0.9 cm/s.
Tags
NGSS.MS-PS3-1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the object’s average velocity for the entire motion shown?
0.5 cm/s
0.8 cm/s
0.9 cm/s
2.0 cm/s
None of the other choices because the velocity is negative.
Answer explanation
The average velocity is calculated as total displacement divided by total time. If the object moves a total distance of 1 cm in 2 seconds, the average velocity is 0.5 cm/s, making this the correct choice.
Tags
NGSS.MS-PS3-1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which statement best describes the motions of A and B represented in the graph shown?
Object A has greater speed than object B from 6 to 7 seconds.
Object B has constant speed from 4 to 6 seconds.
A has greater average speed.
B has greater average speed.
A and B have the same average speed.
Answer explanation
The graph indicates that both A and B cover the same distance over their respective time intervals, resulting in equal average speeds. Thus, the correct statement is that A and B have the same average speed.
Tags
NGSS.MS-PS3-1
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The Position vs. Time graph represents the motion of a toy car. What is the speed of the car at t = 2 seconds?
2.0 cm/s
3.0 cm/s
-0.5 cm/s
-2.0 cm/s
-3.0 cm/s
Answer explanation
At t = 2 seconds, the slope of the Position vs. Time graph indicates the speed. The graph shows a rise of 6 cm over a run of 2 seconds, giving a speed of 3.0 cm/s, which is the correct answer.
Tags
NGSS.MS-PS3-1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A Position vs. Time graph of a car is shown. Which statement best describes the motion of the car?
The car is moving with a constant speed before it slows down to a stop.
The car starts from rest before moving and then eventually stopping.
The car is speeding up then moving with a constant speed.
The car is moving up a hill that gradually flattens out.
Answer explanation
The graph shows a straight line indicating constant speed, followed by a curve that slopes downwards, indicating the car is slowing down to a stop. Thus, the correct choice is that the car moves with constant speed before stopping.
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