Chapter 7 of class 9 science as per the NCERT syllabus is Motion which deals with various aspects of motion, including types of motion (uniform, non-uniform, circular), describing motion, graphical representation of motion, equations of motion, and uniform circular motion.
Here, we have discussed 30 Multiple Choice Questions based on these topics of the chapter. These questions will help you to learn more about the chapter and test your knowledge.
For each question below, there are four options out of which only one option is correct. The correct answer to each question is given at the end for your reference.
MCQ on Class 9 Science Chapter 7
1. What is the simplest type of motion described in the chapter?
A) Circular motion
B) Linear motion
C) Oscillatory motion
D) Vibrational motion
2. Which quantity specifies both the speed and direction of an object’s motion?
A) Distance
B) Velocity
C) Acceleration
D) Time
3. What term is used to describe motion where objects cover unequal distances in equal intervals of time?
A) Uniform motion
B) Non-uniform motion
C) Constant motion
D) Variable motion
4. What is the SI unit of speed?
A) Meter per second (m/s)
B) Kilometer per hour (km/h)
C) Centimeter per second (cm/s)
D) All of the above
5. What equation represents the relationship between velocity, time, and acceleration?
A) v=u+at
B) s=ut+\frac{1}{2}at^2
C) 2as=v^2-u^2
D) a=\frac{v-u}{t}
6. What type of motion occurs when the velocity of an object changes by equal amounts in equal intervals of time?
A) Uniform motion
B) Non-uniform motion
C) Uniformly accelerated motion
D) Non-uniformly accelerated motion
7. What physical quantity is a measure of the change in velocity of an object per unit time?
A) Distance
B) Speed
C) Acceleration
D) Displacement
8. Which graph represents the motion of an object with uniform speed?
A) Distance-time graph
B) Velocity-time graph
C) Speed-time graph
D) Acceleration-time graph
9. What is the area under a velocity-time graph used to determine?
A) Displacement
B) Speed
C) Acceleration
D) Distance
10. What type of motion occurs when an object moves along a circular path with constant speed?
A) Uniform motion
B) Non-uniform motion
C) Uniformly accelerated motion
D) Uniform circular motion
11. What is the reference point called, needed to describe the position of an object?
A) Origin
B) Stationary point
C) Endpoint
D) Resting point
12. Which equation represents the relationship between distance, velocity, and time?
A) v=u+at
B) s=ut+\frac{1}{2}at^2
C) 2as=v^2-u^2
D) a=\frac{v-u}{t}
13. In which type of motion does the velocity change at a constant rate?
A) Uniform motion
B) Non-uniform motion
C) Uniformly accelerated motion
D) Non-uniformly accelerated motion
14. What is the unit of acceleration?
A) Meter per second (m/s)
B) Meter per second squared (m/s^2)
C) Kilometer per hour (km/h)
D) Centimeter per second squared (cm/s^2)
15. Which equation represents the relationship between average velocity, initial velocity, and final velocity?
A) v_{av}=\frac{u+v}{2}
B) v_{av}=\frac{u-v}{2}
C) v_{av}=u+v
D) v_{av}=\frac{uv}{2}
16. Which graph represents the motion of an object with non-uniform speed?
A) Distance-time graph
B) Velocity-time graph
C) Speed-time graph
D) Acceleration-time graph
17. What does the slope of a distance-time graph represent?
A) Speed
B) Acceleration
C) Distance
D) Displacement
18. What does the slope of a velocity-time graph represent?
A) Speed
B) Acceleration
C) Distance
D) Displacement
19. What does the area under a speed-time graph represent?
A) Speed
B) Acceleration
C) Distance
D) Displacement
20. What does the area under a distance-time graph represent?
A) Speed
B) Acceleration
C) Distance
D) Displacement
21. Which equation represents the relationship between distance, time, and acceleration?
A) v=u+at
B) s=ut+\frac{1}{2}at^2
C) 2as=v^2-u^2
D) a=\frac{v-u}{t}
22. What does the term “average speed” represent?
A) Speed at a specific instant
B) Total distance traveled divided by total time taken
C) Maximum speed reached by the object
D) Speed at the midpoint of the motion
23. Which equation represents the relationship between final velocity, initial velocity, acceleration, and distance?
A) v=u+at
B) s=ut+\frac{1}{2}at^2
C) 2as=v^2-u^2
D) a=\frac{v-u}{t}
24. What does the slope of a speed-time graph represent?
A) Speed
B) Acceleration
C) Distance
D) Displacement
25. What is the correct equation for acceleration?
A) a=\frac{v-u}{t}
B) a=\frac{v}{t}
C) a=\frac{s}{t}
D) a=\frac{s}{v}
26. Which graph represents the motion of an object with constant acceleration?
A) Distance-time graph
B) Velocity-time graph
C) Speed-time graph
D) Acceleration-time graph
27. What is the SI unit of distance?
A) Second (s)
B) Meter (m)
C) Meter per second (m/s)
D) Kilogram (kg)
28. Which equation represents the relationship between velocity, acceleration, and time?
A) v=u+at
B) s=ut+\frac{1}{2}at^2
C) 2as=v^2-u^2
D) a=\frac{v-u}{t}
29. What is the quantity obtained when the rate of change of velocity with time is measured?
A) Distance
B) Speed
C) Acceleration
D) Displacement
30. What is the correct equation for speed?
A) s=ut+\frac{1}{2}at^2
B) s=\frac{u+v}{2}
C) s=\frac{uv}{2}
D) s=\frac{u}{t}
Correct Answers
Here is the list of correct answers to the above questions.
- B) Linear motion
- B) Velocity
- B) Non-uniform motion
- A) Meter per second (m/s)
- A) v=u+at
- C) Uniformly accelerated motion
- C) Acceleration
- A) Distance-time graph
- D) Distance
- D) Uniform circular motion
- A) Origin
- B) s=ut+\frac{1}{2}at^2
- C) Uniformly accelerated motion
- B) Meter per second squared (m/s^2)
- A) v_{av}=\frac{u+v}{2}
- B) Velocity-time graph
- A) Speed
- B) Acceleration
- C) Distance
- D) Displacement
- B) s=ut+\frac{1}{2}at^2
- B) Total distance traveled divided by total time taken
- C) 2as=v^2-u^2
- B) Acceleration
- A) a=\frac{v-u}{t}
- B) Velocity-time graph
- B) Meter (m)
- A) v=u+at
- C) Acceleration
- D) s=\frac{u}{t}
The Bottom Line
I hope these 30 MCQs on Motion of Class 9 Science Chapter 7 have helped you in your studies and preparation.
If you have any queries, or comments or find any mistake in the above questions, feel free to contact me in the comment section below.
I would love to hear from you.
Abdur Rohman is an Electrical Engineer from Charaideo, Assam, who wears multiple hats as a part-time teacher, blogger, entrepreneur, and digital marketer. Passionate about education, he founded The Assam School blog to provide free, comprehensive textbook solutions, MCQs (Multiple Choice Questions), and other academic content for students from Class V to XII.