Graphical Representation of Motion

Quiz
•
Science
•
9th Grade
•
Hard
Standards-aligned
Lisa Thompson
FREE Resource
25 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Here is a displacement−time graph of a car. P, Q, R, S and T are five parts of the journey as shown in the graph. In which two parts do you think the speed of the car would be same?
In part R and part P
In part Q and part S
In part P and part Q
All of the above
Answer explanation
Speed = Displacement /time There two parts Q and S, where displacement = 0. So, in part Q and part S, Speed = 0/time taken = 0 Hence, option 2 is correct
Tags
NGSS.MS-PS3-1
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In this velocity−time graph, what will be the displacement between 10 to 15 seconds and acceleration between position B and E.
S= 150 m a = − 4 m/s²
S= 150 m a = 4 m/s²
S= 125 m a = 20 m/s²
S= 125 m a = −20 m/s²
Answer explanation
Displacement= area of rectangle ABCD + Area of triangle BCE = (5 × 20) + 1/2 × 5 ×20 = 150 m Acceleration between E & B = (20−40)/(15−10) = −20//5 = − 4 m/s²
Tags
NGSS.MS-PS3-1
NGSS.MS-PS3-5
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What does the slope of a distance−time graph represent?
Distance
Time
Speed
Displacement
Answer explanation
The slope of distance−time graph represents speed.
Tags
NGSS.MS-PS3-1
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Look at this graph of two children A and B running together. Who do you think is running faster?
Both are running at the same speed.
A
B
None of the above
Answer explanation
Both reach their destination at the same time. But B takes less time to cover the same distance. Hence B is running faster.
Tags
NGSS.MS-PS3-1
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
On a velocity-time graph, what does a horizontal line (constant velocity) indicate about the object's motion?
The object is accelerating.
The object is decelerating.
The object is not moving.
The object is moving at a constant velocity.
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following graph shows non−uniform acceleration?
Answer explanation
Option 3 shows non−uniform acceleration.
Tags
NGSS.MS-PS3-1
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Draw a velocity- graph from the following information. A ball from rest at the top of a hut moves with constant acceleration for 5 seconds and attains a velocity of 15m/s. After that it travels at constant speed for 15 seconds. After which it decelerates for 10 seconds at a constant rate of 1 m/s².Then it rolls for 20 seconds at a constant speed.
Answer explanation
Velocity of the ball in the first 5 seconds = 15 m/s Hence, mark the coordinates (5, 15) on x and y axis respectively. Then, there is constant speed for 15 seconds, so mark the coordinates (20, 15) on x and y axis respectively. Then it accelerates at 0.5 m/s² for 10 seconds, so the speed comes to 0.5 × 10 = 5 m/s Mark the coordinates (30,5) Finally, there is constant speed for 20s, so mark the coordinates (50,5)
Tags
NGSS.MS-PS3-1
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