MCQ Acceleration Chapter 7 Class 9 Science

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MCQ’s For All Chapters – Science Class 9th

1. The rate of change of velocity of an object is called

Question 1 of 20

2. The SI unit of acceleration is

Question 2 of 20

3. If the velocity of an object increases with time, the acceleration is

Question 3 of 20

4. When the velocity of an object decreases with time, the acceleration is

Question 4 of 20

5. The formula for acceleration is

Question 5 of 20

6. If a body moves with uniform velocity, then its acceleration is

Question 6 of 20

7. An object can have uniform acceleration if

Question 7 of 20

8. The motion of a freely falling body is an example of

Question 8 of 20

9. The motion of a car increasing its speed by unequal amounts in equal time intervals is called

Question 9 of 20

10. A car’s velocity changes from 0 to 6 m/s in 30 s.Its acceleration is

Question 10 of 20

11. If a moving object slows down, its acceleration is

Question 11 of 20

12. A car’s velocity changes from 6 m/s to 4 m/s in 5 s.Its acceleration is

Question 12 of 20

13. If an object’s velocity changes at a uniform rate, its acceleration is

Question 13 of 20

14. Which of the following has non-uniform acceleration?

Question 14 of 20

15. Acceleration is said to be negative when

Question 15 of 20

16. A bus decreases its speed from 80 km/h to 60 km/h in 5 s.Its acceleration is

Question 16 of 20

17. Acceleration can be produced by

Question 17 of 20

18. The physical quantity that measures how quickly velocity changes is

Question 18 of 20

19. The motion of a car starting from rest and speeding up is an example of

Question 19 of 20

20. When an object moves with non-uniform acceleration, its velocity-time graph

Question 20 of 20


 

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