MCQ Questions for Class 9 Science Chapter 8 Motion with Answers

1. A boy goes from A to B with a velocity of 20 m/min and comes back from B to A with a velocity of 30 m/min. The average velocity of the boy during the whole journey is

2.  What is the average velocity of a car that moved 60 km in 3 hours?

3. Name the instrument used to measure instantaneous speed of a vehicle

4. Slope of a velocity-time graph gives

5. The speed at any instant of time is known as

6. The slope of the distance-time graph is:

7. The ratio of speed to the magnitude of velocity when the body is moving in one direction is

8. Which of the following is a correct measure of velocity?

9. In which of the following cases of motions, the distance moved and the magnitude of displacement are equal?

10. If the displacement of an object is proportional to square of time, then the object moves with

11. The numerical ratio of displacement to distance for a moving object is

12. A body is projected vertically upward from the ground. Taking vertical upward direction as positive and point of projection as origin, the sign of displacement of the body from the origin when it is at height h during upward and downward journey will be

13. A racing car has a uniform acceleration of 6 m/s2. In 10s it will cover:​

14.  Which of the following statement is correct regarding velocity and speed of a moving body?

15. The area under the speed-time graph gives the ________.

16. Suppose a boy is enjoying a ride on a merry-go-round which is moving with a constant speed of 10 ms^-1 It implies that the boy is

17.  For a body performing motion with uniform speed, the distance-time graph is:

18. A particle is moving in a circular path of radius r. The displacement after half a circle would be:

19. A body starts to slide over a horizontal surface with an initial velocity of 0.2 m/s. Due to friction, its velocity decreases at the rate of 0.02 m/s². How much time will it take for the body to stop?

20. Which of the following situations is possible?