Motion in a Straight Line Mock Test – Class 11 Physics

1. Match the graph feature with its meaning.

2. A straight graph passes through at and has slope . The position at is

3. A curved graph has tangent slopes at three instants as shown.

The correct interpretation is

4. The derivative relation for instantaneous velocity is

5. Assertion: The area under a graph can be zero even when the body has travelled a non-zero distance.
Reason: Positive and negative signed areas can cancel in displacement.

6. Motion in a straight line is most closely described by which idea?

7. Two trains of lengths and move in opposite directions with speeds and . The complete crossing time is

8. The limiting definition of instantaneous velocity in one-dimensional motion is

9. Consider the following statements about a straight-line graph.
Statement I: Its slope is constant.
Statement II: It represents uniform velocity.
Statement III: Its slope gives acceleration directly.

10. A particle starts from rest and covers in with uniform acceleration. Its final velocity is

11. Use the graph description below.

The displacement for the whole interval is

12. A person moves along a straight path from to , then to . The displacement for the full motion is

13. Two stones are thrown vertically upward at the same instant from the same point with initial velocities and . Neglecting air resistance, their separation after is

14. In straight-line motion with possible reversal, distance travelled means

15. Instantaneous acceleration gives the acceleration of a body

16. Read the short record below.

What does this record show about the trolley’s position?

17. Two particles start from the same point at the same instant. Particle moves with constant velocity , while particle starts from rest with acceleration . The position of their later meeting is

18. An acceleration-time graph for a body moving along a straight line has acceleration on the vertical axis and time on the horizontal axis. The area under this graph gives

19. A lift moves from the ground floor to the third floor and then stops. Why is this a suitable example of one-dimensional motion?

20. A body starts from rest and its velocity increases uniformly to in . The displacement from the graph is

21. Two trains move toward each other on parallel straight tracks. Train moves east at , and train moves west at . Taking east as positive, the speed of approach is

22. A runner covers the first at and the next at . What is the average speed for the run?

23. A position graph is described as follows.

What are the distance travelled and displacement?

24. A velocity-time graph is a straight line. Why does the displacement in the interval equal ?

25. A table records positions of three objects on the same straight line at one instant.

The row interpretation that matches the coordinate system is

26. A motorcycle increases its speed uniformly from to while covering . Its acceleration is

27. A body moves on a straight line with acceleration , where is a positive constant and is velocity. Which statement is valid for ?

28. Under gravity near Earth’s surface, if air resistance is neglected, a freely falling body has

29. A table lists quantities for a uniformly accelerated motion.

The displacement is

30. A velocity-time graph is a straight line passing through at and at . The acceleration is

31. A car has and brakes uniformly with . The distance covered before stopping is

32. A passenger in a train moving east at sees another train moving west relative to him at . Taking east as positive, the velocity of the other train relative to the ground is

33. A graph shows velocity increasing uniformly from to in . The displacement is

34. A ball is thrown vertically upward with . Taking upward as positive and , its acceleration during upward motion is

35. Assertion: Rest and motion are relative terms.
Reason: The description of rest or motion can depend on the observer’s frame of reference.

36. A car covers equal displacements of in every interval along the same direction. Its acceleration is

37. A body moves with constant velocity when it

38. A straight graph slopes downward from left to right. What is the sign of the velocity?

39. A stone is released from a rising balloon with initial velocity . Taking upward as positive and , the displacement of the stone from the release point after is

40. A uniformly accelerated body covers while its velocity changes from to . Its acceleration is

41. A straight graph crosses the time axis from positive velocity to negative velocity. The crossing point represents

42. A graph lies below the time axis but slopes upward toward the axis. The body is

43. Read the case below.

What can be said about the average acceleration in the two successive intervals?

44. A graph is a straight line from at to at . What is the displacement for the full interval?

45. A graph is entirely above the time axis. In this case, why are displacement and distance travelled equal in magnitude?

46. Two particles and move on the same straight line. At , is at and moves with constant velocity . Particle is at and moves with constant velocity . The time at which they meet is

47. A runner stays in one straight lane while moving from one end of the track to the other. What makes the motion suitable for description by a single coordinate ?

48. Two cyclists move along the same straight road in the same direction. The cyclist behind moves at , and the cyclist ahead moves at . If the initial separation is , the time taken by the rear cyclist to catch the front cyclist is

49. Assertion: A body moving with constant velocity has zero acceleration.
Reason: Acceleration measures the rate of change of velocity with time.

50. A table gives the position of a trolley at two instants.

The average velocity from to is