Question

1. What does the vertical axis represent on a position-time graph?

A. Speed of the object
B. Position of the object
C. Velocity of the object
D. Total time travelled by the object
2. What do you call a graph that is plotted in terms of the distance travelled by the
object and the time it took to cover that distance?
A. Speed-time graph
B. Position-time graph
C. Distance-time graph
D. Displacement-time graph
3. Which is TRUE about displacement?
A. How fast an object is moving
B. Change in position in a given time
C. Length of the entire path that an object travelled
D. Shortest distance between the object’s two positions
4. What does a horizontal line in the distance-time graph indicate?
A. No movement
B. Constant speed
C. Object is accelerating
D. Object is decelerating
5. When looking at a displacement-time graph, what variable should be plotted on the
y-axis and x-axis?
A. Y-axis: Time; X-axis: Distance
B. X-axis: Time; Y-axis: Distance
C. X-axis: Time; Y-axis: Displacement
D. Y-axis: Time; X-axis: Displacement
6. Which of the following illustrates acceleration?
A. Constant velocity
B. Changing direction
C. The direction does not change
D. The speed and direction remains the same
7. The following are correctly matched, EXCEPT
A. Speed: Scalar
B. Velocity: Vector
C. Distance: Scalar
D. Displacement: Scalar
What I Know
3 CO_Q3_Science 7_ Module 2
8. What does a line on a graph that is curving upwards mean in a distance-time graph?
A. The object is not moving.
B. The object has a constant speed.
C. The speed of the object is increasing.
D. The speed of the object is decreasing.
9. The following units can be used to mathematically express speed, EXCEPT
A. m
B. m/s
C. km/hr
D. miles/hr
10. Ethan is playing with his toy car. While watching him, you observed that the toy
car is accelerating. Which of the following graphs show that the toy car is
accelerating?
A B C D
11. Examine the given graph. What conclusion can you make from this graph?
A. The object is stationary.
B. The object is decelerating.
C. The object’s acceleration is increasing.
D. The object is moving at a constant speed.
For items 12-13, refer to the given figure below.
12. What does the part B of the displacement-time graph tell us about the object?
A. The object has a velocity of 2 m/s.
B. The object is not moving for 2 seconds.
C. The object travels 2 meters in 2 seconds.
D.The object travels 2 meters in 2 seconds backs to its starting position.
4 CO_Q3_Science 7_ Module 2
13. What conclusion can you make about the motion of the object after it travels from
point A to point C?
A. I and II only
B. II and III only
C. I and IV only
D. II, III, and IV only
14. Examine the graph below. Is it correct to say that the straight horizontal line on the
speed-time graph means that the object is not moving?
A. Yes, a horizontal line means that the object is at rest or stationary.
B. Yes, a straight line always means that an object is not moving at all.
C. No, a horizontal line indicates that the object has uniform acceleration.
D. No, a horizontal line indicates that the speed is not changing over time.
15. During their science class, Jessa was assigned to discuss about distance-time
graphs. In one of her graphs, Jessa shows a graph with a diagonal line that slopes
upward to the right. She explained that the graph means that an object is moving
at a constant speed. Do you think her explanation is correct?
A. No, the distance-time graph should show a horizontal straight line going to
the right.
B. No, a diagonal line that slopes upward to the right in a distance-time graph
means that the speed is increasing.
C. Yes, the motion of objects plotted in a distance-time graph has similar
interpretation if plotted in a speed-time graph.
D. Yes, a diagonal line that slopes upward to the right means that distance is
increasing constantly with time, thus an object is moving in a steady speed.

Answer 1

1. Option B
2. Option C
3. Option D
4. Option C
5. Option C

Step-by-step explanation:

Given the following questions:

Question one:
Your answer is option B, a position time graph is one of the most common graphs to use to describe the motion of objects. The vertical line of the position time graph is the line that would be the y axis in some math cases. This line represents the "position of the object" or option B.

Question Two:
Your answer is option C or a "distance-time graph." The vertical axis shows the distance travels, while the horizontal line shows the time the object spends in the air. Distance-time graphs are used to show the distance an object traveled, in a certain amount of time.

Question three:
Your answer is option D or "shortest distance between two positions." Displacements definition is purely moving something from its initial position. Displacement is also seen as length and distance, which is why the shortest distance between two positions would be considered as true when it comes to displacement.

Question four:
Horizontal line would be the x-axis on a normal coordinate plane, since this is a distance-time graph and the horizonal line represents time. The answer will be option C or "object is accelerating." Since a distance-time graph shows how far an object goes in a certain amount of time, the horizontal line shows how fast the object is moving while traveling that distance within that certain amount of time.

Question five:
Your answer is option C or "X-axis: Time; Y-axis: Displacement." Since we are talking about a displacement-time graph, Y-axis is the dependent variable, it is what's being measured, so that would be displacement. While x-axis is the independent variable, which is what is being tested, so the x-axis will be time.

Hope this helps.