Motion in a Straight Line Mock Test – Class 11 Physics

1. Assertion: If a body returns to its starting point, its displacement for the complete motion is zero.
Reason: Displacement depends only on the initial and final positions.

2. A cart moves from to without reversing direction. The distance travelled during this part is

3. A body moves with uniform acceleration from to in . Its displacement is

4. A horizontal line on an graph means that the body

5. Match the graph feature with its meaning.

6. A police jeep moving at chases a car moving ahead at . If the car is ahead initially and both speeds remain constant, the catch-up time is

7. A phone kept on a seat in a moving train is observed by two people: one sitting beside it in the train and one standing on the platform. The most complete description is that the phone is

8. Assertion: A negative acceleration does not always mean that a body is slowing down.
Reason: Speed decreases only when velocity and acceleration have opposite signs.

9. A train moving in the negative direction slows down. The acceleration of the train is most likely

10. A car moving in the positive direction slows from to in . Taking the positive direction along the car’s initial motion, its acceleration is

11. A stone is thrown vertically downward with from a height of . Taking downward as positive and , the time taken to hit the ground is

12. A graph is a straight line from at to at . The displacement during the interval is

13. A body moving with uniform acceleration covers , , , and in four successive intervals. The acceleration is

14. In uniformly accelerated motion, the equation should be used carefully because

15. A body is thrown upward from the top of a tower with . The ground is below the point of projection. Taking upward as positive and , the time to hit the ground is

16. Study the record of a bead moving along a straight wire.

The distance travelled by the bead is

17. A ball is thrown vertically upward with . Taking upward as positive and , its velocity after is

18. A straight road is described using a coordinate axis. The town gate is first chosen as origin , but later a milestone east of the gate is chosen as the new origin. What remains unchanged by this new choice?

19. For the position function , where is in and is in , the acceleration at is

20. A curved graph is concave downward, and its tangent slope remains positive but becomes smaller with time. The body is

21. A body has an acceleration-time graph described below.

If the initial velocity is , the velocity at is

22. An acceleration-time graph is described below.

If the initial velocity is , the velocity at is

23. A straight-line journey has average speed equal to the magnitude of average velocity. A reasonable conclusion is that during the interval the body

24. Consider the following statements about equations of uniformly accelerated motion.
Statement I: contains no displacement.
Statement II: contains no time.
Statement III: can be used even when acceleration varies irregularly.

25. A passenger walks backward inside a train with velocity relative to the train. The train moves forward with velocity relative to the ground. The passenger’s velocity relative to the ground is

26. A uniformly accelerated body starts from rest. It covers in the first . How much distance will it cover in the first ?

27. At , a cart is at . At , it is at . What is the simplest direction information from this position record?

28. A velocity-time graph is below the time axis for the entire interval. The magnitude of displacement and distance travelled during this interval are

29. A body has , constant acceleration , and total time . The distance travelled is

30. A runner is at at and at at . What can be concluded from these coordinates?

31. Use the graph description below.

The displacement for the whole interval is

32. A body starts from rest and accelerates uniformly at for . Its displacement is

33. Use the graph description below.

What does the slope represent?

34. A graph shows a line segment exactly along the time axis. During that segment, the body has

35. An graph is a straight line from at to at . A body starts from rest. Its velocity at is

36. Read the case carefully.

The average velocity for the whole motion is

37. A toy car moves from to . Its displacement is

38. A motion record uses , , , and . Which pairing is most suitable for basic one-dimensional kinematics?

39. A straight-line graph changes uniformly from at to at . The time at which the body reverses direction is

40. For a body moving with constant velocity, displacement is directly proportional to time because

41. For a body obeying , doubling the time interval while keeping constant will double

42. Match the descriptions with the appropriate quantity.

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

44. A car moves at for and then at for along the same road. Its average speed for the whole trip is

45. Two bodies move on the same straight line with velocities shown below.

The correct values of for P, Q, and R are

46. In the expression , the symbol should represent

47. A velocity-time graph consists of a triangle above the time axis with base and height , followed by a rectangle below the time axis with width and height . The net displacement is

48. Non-uniform motion is indicated when a body

49. Consider the following statements about average speed and average velocity.
Statement I: Average speed cannot be negative.
Statement II: The magnitude of average velocity can never exceed average speed for the same time interval.
Statement III: Average speed and average velocity always have the same magnitude in one-dimensional motion.

50. Displacement in one-dimensional motion is best defined as