Motion

Grade 9 Science — Motion: 25 practice questions with instant scoring and explanations.

1. The difference between distance and displacement is:
2. A car travels 50 km north and then 30 km south. The total distance is:
3. Speed is defined as:
4. Velocity is defined as:
5. A car travels 100 m in 5 s. Its speed is:
6. Acceleration is defined as:
7. A car accelerates from rest to 30 m/s in 6 seconds. Its acceleration is:
8. Which of the following is the SI unit of velocity?
9. The first equation of motion is:
10. If a body starts from rest (u = 0) and accelerates at 2 m/s² for 5 seconds, its final velocity is:
11. A ball is thrown upward with an initial velocity of 20 m/s. Assuming g = 10 m/s², the time to reach maximum height is:
12. The second equation of motion is:
13. The third equation of motion relates:
14. Using v² = u² + 2as, a car with initial velocity 10 m/s and acceleration 2 m/s² travels 30 m. Its final velocity is:
15. A particle travels 20 m in 4 seconds at constant velocity. Its speed is:
16. Negative acceleration is called:
17. An object moving in a circle at constant speed has:
18. Average speed is calculated as:
19. A car travels 60 km in 1 hour and then 80 km in 2 hours. The average speed is:
20. If a car starts from rest and reaches a velocity of 20 m/s in 10 seconds, the distance covered is:
21. A body has uniform acceleration if:
22. Instantaneous velocity is:
23. A person walks 8 km east and then 6 km west. The displacement is:
24. A cyclist accelerates uniformly from 0 to 12 m/s in 4 seconds. The acceleration is:
25. In uniform motion, the distance-time graph is: