I am sure you might have gone through the Motion chapter properly. Lets have a look at some of the top MCQ questions that will help you to revise the chapter properly. I am sure you might have gone through the numerical questions too. If not, we have solved examples for the motion chapter.
30 MCQ Questions for Class 9 Science: Chapter 7 Motion
Question 1. An object moves along a straight path from point A to B, then back to point C. If the distance from A to B is 20 meters and B to C is 10 meters, what is the total distance covered by the object?
a) 10 meters
b) 20 meters
c) 30 meters
d) 40 meters
Answer:
c) 30 meters
Question 2. What is the average speed of an object that covers a distance of 50 meters in 25 seconds?
a) 0.5 m/s
b) 1 m/s
c) 2 m/s
d) 2.5 m/s
Answer:
c) 2 m/s
Question 3. If a car travels a distance of 120 km in 2 hours, what is its average speed?
a) 40 km/h
b) 60 km/h
c) 80 km/h
d) 120 km/h
Answer:
b) 60 km/h
Question 4. What is the SI unit of speed?
a) Meter (m)
b) Second (s)
c) Meter per second (m/s)
d) Kilometer per hour (km/h)
Answer:
c) Meter per second (m/s)
Question 5. If a body covers equal distances in equal intervals of time, it is said to be in:
a) Uniform motion
b) Non-uniform motion
c) Accelerated motion
d) Circular motion
Answer:
a) Uniform motion
Question 6. What is the velocity of an object if it travels 15 meters to the east in 3 seconds?
a) 3 m/s east
b) 5 m/s east
c) 5 m/s west
d) 15 m/s east
Answer:
b) 5 m/s east
Question 7. A train moving with a uniform velocity covers a distance of 150 meters in 5 seconds. What is its velocity?
a) 25 m/s
b) 30 m/s
c) 750 m/s
d) 1500 m/s
Answer:
a) 30 m/s
Question 8. If a car accelerates uniformly from 18 km/h to 36 km/h in 5 seconds, what is its acceleration?
a) 1 m/s²
b) 3.6 m/s²
c) 18 m/s²
d) 5 m/s²
Answer:
a) 1 m/s²
Question 9. The rate of change of velocity is known as:
a) Speed
b) Displacement
c) Acceleration
d) Momentum
Answer:
c) Acceleration
Question 10. A ball is gently dropped from a height of 20 meters. If the velocity of the ball increases uniformly at the rate of 10 m/s², what will be the velocity of the ball when it strikes the ground?
a) 10 m/s
b) 20 m/s
c) 40 m/s
d) 200 m/s
Answer:
b) 20 m/s
Question 11. What does the slope of a distance-time graph represent?
a) Acceleration
b) Velocity
c) Displacement
d) Time taken
Answer:
b) Velocity
Question 12. A car changes its velocity from 30 m/s to 40 m/s in 5 seconds. What is its acceleration?
a) 2 m/s²
b) 5 m/s²
c) 10 m/s²
d) 0.2 m/s²
Answer:
a) 2 m/s²
Question 13. The area under a velocity-time graph represents:
a) Time taken
b) Acceleration
c) Distance covered
d) Speed
Answer:
c) Distance covered
Question 14. What kind of motion does a body undergo if it moves with a constant speed in a circular path?
a) Non-uniform motion
b) Uniform motion
c) Accelerated motion
d) Decelerated motion
Answer:
c) Accelerated motion
Question 15. If a body is moving in a certain direction with an acceleration in the perpendicular direction, then:
a) Its speed remains constant
b) Its velocity remains constant
c) Its direction of motion changes
d) Its motion is non-uniform
Answer:
c) Its direction of motion changes
Question 16. A bus decreases its speed from 60 km/h to 40 km/h in 5 seconds. The acceleration of the bus is:
a) 4 m/s²
b) -1 m/s²
c) -4 m/s²
d) 1 m/s²
Answer:
b) -1 m/s²
Question 17. An object is in uniform acceleration if:
a) Its velocity decreases uniformly
b) Its velocity increases uniformly
c) Its speed remains constant
d) Both a and b
Answer:
d) Both a and b
Question 18. The speed of a train is 90 km/h. If brakes are applied to produce a uniform acceleration of -0.5 m/s², the distance it travels before coming to rest is:
a) 312.5 meters
b) 625 meters
c) 1250 meters
d) 2500 meters
Answer:
b) 625 meters
Question 19. A stone is thrown vertically upwards with a velocity of 5 m/s. If the acceleration due to gravity is 10 m/s² downwards, the maximum height attained by the stone is:
a) 1.25 meters
b) 2.5 meters
c) 5 meters
d) 10 meters
Answer:
a) 1.25 meters
Question 20. A bus starting from rest moves with a uniform acceleration of 0.1 m/s² for 2 minutes. The speed acquired by the bus is:
a) 12 m/s
b) 6 m/s
c) 0.2 m/s
d) 1.2 m/s
Answer:
b) 12 m/s
Question 21. The SI unit of velocity is __________.
Fill in the blank.
Answer:
Meter per second (m/s)
Question 22. When an object moves in a circular path, it undergoes __________ motion.
Fill in the blank.
Answer:
Uniform circular
Question 23. The rate of change of displacement is known as __________.
Fill in the blank.
Answer:
Velocity
Question 24. The slope of a speed-time graph gives __________.
Fill in the blank.
Answer:
Acceleration
Question 25. In uniform linear motion, the velocity of an object __________ over time.
Fill in the blank.
Answer:
Remains constant
Question 26. Acceleration can occur due to a change in speed or direction of motion.
True / False
Answer:
True
Question 27. The displacement of an object can be negative.
True / False
Answer:
True
Question 28. The average velocity of an object can be zero even if it is continuously moving.
True / False
Answer:
True
Question 29. If the acceleration of an object is zero, it means the object is not moving.
True / False
Answer:
False
Question 30. The area under a velocity-time graph represents the distance covered by the object.
True / False
Answer:
True
Question on Match the Columns
Unmatched Columns – Questions
Column A | Column B |
---|---|
(i) Uniform motion | (a) Change in velocity per unit time |
(ii) Non-uniform motion | (b) Object covers equal distances in equal intervals of time |
(iii) Distance | (c) Total path length an object travels |
(iv) Displacement | (d) Speed with a specified direction |
(v) Velocity | (e) Object covers unequal distances in equal intervals of time |
(vi) Acceleration | (f) Shortest path between initial and final positions |
Matched Columns – Answer
Column A | Column B |
---|---|
(i) Uniform motion | (b) Object covers equal distances in equal intervals of time |
(ii) Non-uniform motion | (e) Object covers unequal distances in equal intervals of time |
(iii) Distance | (c) Total path length an object travels |
(iv) Displacement | (f) Shortest path between initial and final positions |
(v) Velocity | (d) Speed with a specified direction |
(vi) Acceleration | (a) Change in velocity per unit time |