Chapter 7 – Motion class 9th
📘 Chapter 7 – Motion
🔢 All Numerical Questions
🔹 A. Basic Numericals (Speed / Distance)
Q1. A car covers a distance of 300 km in 5 hours. Find its speed in km/h and m/s.
Q2. A person covers a distance of 100 m in 20 s. Find his speed.
Q3. An object moves with a speed of 10 m/s for 2 minutes. Find the distance covered.
🔹 B. Average Speed / Average Velocity
Q4. An object covers 16 m in 4 s and 16 m in 2 s. Find the average speed.
Q5. A car travels from 2000 km to 2400 km in 8 hours. Find the average speed.
Q6. A person goes 100 m forward and comes back in 50 s. Find the average speed and average velocity.
🔹 C. Velocity
Q7. An object moves 50 m towards north in 10 s. Find its velocity.
Q8. An object moves 100 m east and then 100 m west. Find:
(i) distance
(ii) displacement
🔹 D. Acceleration
Q9. A bicycle increases its speed from 0 m/s to 6 m/s in 30 s. Find the acceleration.
Q10. An object slows down from 20 m/s to 10 m/s in 5 s. Find the acceleration.
Q11. A bus slows down from 80 km/h to 60 km/h in 5 s. Find the acceleration.
🔹 E. Time and Velocity
Q12. An object is moving with a speed of 0.5 m/s and is slowing down at –0.05 m/s². Find the time taken to stop.
🔹 F. Equations of Motion
Q13. A train increases its speed from 36 km/h to 54 km/h in 10 s. Find:
(i) acceleration
(ii) distance
Q14. A car moves with an acceleration of 4 m/s² for 10 s. Find the distance covered.
Q15. A scooter is moving with a speed of 10 m/s and comes to rest with an acceleration of –0.5 m/s². Find the distance covered before stopping.
Q16. An object starts from rest and moves with an acceleration of 5 m/s² for 10 s. Find:
(i) final velocity
(ii) distance
🔹 G. Advanced Numericals
Q17. A train increases its speed from 72 km/h to 90 km/h in 20 s. Find the distance covered.
Q18. An object covers 800 m with an acceleration of 4 m/s². Find the final velocity.
Q19. A ball is dropped from a height of 20 m (g = 10 m/s²). Find:
(i) velocity on hitting the ground
(ii) time taken
🔹 H. Graph Based Numericals
Q20. What does the area under a velocity-time graph represent?
Q21. A distance-time graph is a straight line. What type of motion does it represent?
Q22. A velocity-time graph is a horizontal straight line. What does it indicate?
🔹 I. Light and Distance
Q23. The speed of light is 3 × 10⁸ m/s. Find the distance covered in 5 minutes.
🔹 J. Mixed (HOTS)
Q24. A person walks at 5 m/s for 10 s, then rests for 5 s, and then moves at 10 m/s for 5 s. Find the average speed.
Q25. A car covers half the distance at 40 km/h and the remaining half at 60 km/h. Find the average speed.
🔹 K. Additional NCERT Based Questions
Q26. The speed of a bus decreases from 80 km/h to 60 km/h in 5 s. Find its acceleration.
Q27. A train starts from rest and attains a speed of 40 km/h in 10 minutes with uniform acceleration. Find the acceleration.
Q28. A trolley moves down an inclined plane with an acceleration of 2 m/s². Find its velocity after 3 s.
Q29. A racing car has a uniform acceleration of 4 m/s². Find the distance covered in 10 s.
🔹 L. Other Important Questions
Q30. A bus starts from rest and moves with a uniform acceleration of 0.1 m/s² for 2 minutes. Calculate:
(a) final velocity
(b) distance covered
Q31. A train moving at 90 km/h is brought to rest by applying brakes with a uniform retardation of 0.5 m/s². Find the distance covered before stopping.
Q32. A stone is thrown vertically upward with a velocity of 5 m/s. If acceleration due to gravity is 10 m/s² downward, find the maximum height reached and the time taken.
Q33. Abdul goes to school with an average speed of 20 km/h and returns with an average speed of 30 km/h. Find his average speed for the whole journey.
Q34. A motorboat starts from rest and moves with an acceleration of 3 m/s² for 8 s. Find the distance covered.
🔹 M. Final Questions
Q35. A ball is dropped from a height of 20 m and accelerates at 10 m/s². Find:
(a) velocity on hitting the ground
(b) time taken
Q36. A car is represented by a speed-time graph. Calculate the required quantities from the graph.
Q37. An artificial satellite moves in a circular orbit of radius 42250 km and completes one revolution in 24 hours. Find its speed.
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