These motion in a straight line MCQs are important for NEET, AIIMS, JEE. Motion in a straight line has many applications in the field of Science. Few MCQs are asked from Motion in a Straight Line topics in all competitive exams. This Motion in a Straight Line MCQ is based on the topics Physics.

## Motion In a Straight Line MCQ for NEET

These Motion In a Straight Line MCQ for NEET covers the following topice:

### Motion In a Straight Line MCQ for NEET

**1. Which force can possibly act on a body moving in a straight line?**

a) Tangential force

b) Friction force

c) Centrifugal force

d) Centripetal force

**Answer: **b

**2. What kind of motion is rectilinear motion?**

a) One dimensional

b) Two dimensional

c) Three dimensional

d) Zero dimensional

**Answer: **a

**3. When a body is in the state of complete rest, what kind of energy does it possess?**

a) Potential energy

b) Kinetic energy

c) Total energy

d) Heat energy

**Answer: **a

**4. Which of the following are obtained by dividing total displacement by total time taken?**

a) Average velocity

b) Instantaneous velocity

c) Uniform velocity

d) Speed

**Answer: **a

**5. What is the rate of change of rate of change of displacement of a body?**

a) Velocity

b) Acceleration

c) Force

d) Jerk

**Answer: **b

**6. In which of the following states does a body possess kinetic energy?**

a) Rest

b) Motion

c) When placed on a platform

d) In zero gravity

**Answer: **b

**7. Which of the following types of motion can be used for describing the motion of a car on a straight road?**

a) Rectilinear

b) Circular

c) Periodic

d) Harmonic

**Answer: **a

**8. Which of the following types of motion cannot describe the motion of a clock’s hands?**

a) Rectilinear

b) Circular

c) Periodic

d) Harmonic

**Answer: **a

**9. The displacement of a particle is given as function of time as x = t2 + 2t. How much displacement is covered in the first 5 seconds?**

a) 5 units

b) 35 units

c) 40 units

d) 0 units

**Answer: **b

**10. Which one of the following relations is true?**

a) Distance > Displacement

b) Distance < Displacement

c) Distance >= Displacement

d) Distance <= Displacement

**Answer: **c

**11. A person is standing at -2 location on the number line. He runs to and fro from -2 to +5 location 5 times. How much distance has he covered if he comes back to -2 location at the end?**

a) 35 units

b) 7 units

c) 30 units

d) 15 units

**Answer: **a

**12. What is the path length of the following path?**

A (0, 0) to B (5, 0) to C (5, 5) to D (0, 5)

a) 20 units

b) 25 units

c) 15 units

d) 10 units

**Answer: **c

**13. When person moves in the coordinate system from A (0, 0) to B (5, 10), to C (8, 6), what is the displacement covered?**

a) 10 units

b) 5 units

c) 7 units

d) 15 units

**Answer: **a

**14. Displacement between two points is ___**

a) The shortest path

b) The longest path

c) Equal to distance

d) Greater than distance

**Answer: **a

**15. Distance does not depend on _______**

a) Initial point

b) Final point

c) Path taken

d) Speed

**Answer: **d

**16. How many variables are required to define the position of a body in space?**

a) 3

b) 2

c) 1

d) 0

**Answer: **a

**17. In which coordinate system do we use distance from origin and to angles to define the position of a point in space?**

a) Cartesian

b) Cylindrical

c) Spherical

d) 2-D Cartesian

**Answer: **c

**18. ****Which of the following is the correct formula for finding distance (d) between two points (x**_{1}**, y**_{1}**) and (x**_{2}**, y**_{2}**)?**

_{1}

_{1}

_{2}

_{2}

a) d^{2} = (x_{2}-x_{1})^{2} + (y_{2}-y_{1})^{2}

b) d^{4} = (x_{2}-x_{1})^{2} + (y_{2}-y_{1})^{2}

c) d^{3} = (x_{2}-x_{1})^{2} + (y_{2}-y_{1})^{2}

d) d = (x_{2}-x_{1})^{2} + (y_{2}-y_{1}) ^{2}

**Answer: **c

**19. Path length does not depend on ____**

a) Initial point

b) Final point

c) Path taken

d) Coordinate system

**Answer: **d

**20. What will be the velocity v/s time graph of a ball falling from a height before hitting the ground look like?**

a) A straight line with positive slope

b) A straight line with negative slope

c) A straight line with zero slope

d) A parabola

**Answer: **a

**21. Which of the following is the correct formula for average velocity?**

a) v = dx/dt

b) v = x/t

c) v = xt

d) v = t/x

**Answer: **b

**22. A truck requires 3 Hrs to complete a journey of 150 km, what is the average speed?**

a) 50 km/hr

b) 25 km/hr

c) 15 km/hr

d) 10 km/hr

**Answer: **a

**23. Average speed of a car between points A and B is 20 m/s, between B and C is 15 m/s, between C and D is 10 m/s. What is the average speed between A and D, if the time taken in the mentioned sections is 20s, 10s and 5s respectively?**

a) 17.14 m/s

b) 15 m/s

c) 10 m/s

d) 45 m/s

**Answer: **a

**24. Which of the following statement is correct?**

a) Average speed > Instantaneous speed

b) Average speed >= Instantaneous speed

c) Average speed <= Instantaneous speed

d) Average speed < Instantaneous speed

**Answer: **c

**25. In a uniformly accelerated motion, the speed varies from 0 to 20 m/s in 4 s. What is the average speed during the motion?**

a) 10 m/s

b) 20 m/s

c) 0 m/s

d) 15 m/s

**Answer: **a

**26. What happens to the average velocity when a body falls under gravity with terminal velocity?**

a) It increases

b) It decreases

c) It remains constant

d) It changes exponentially

**Answer: **c

**27. A ball is thrown up in the sky. After reaching a height, the ball falls back. What can be said about the average velocity?**

a) It is non zero

b) It is zero

c) It is greater than zero

d) It is less than zero

**Answer: **b

**28. A car is moving around a tree in a circular path. What can be said about the average velocity?**

a) It is non zero

b) It is zero

c) It is greater than zero

d) It is less than zero

**Answer: **b

**29. The changes in displacement in three consecutive instances are 5 m, 4 m, 11 m, the total time taken is 5 s. What is the average velocity in m/s?**

a) 1

b) 4

c) 7

d) 6

**Answer: **b

**30. Which of the following can be used to describe how fast an object is moving along with the direction of motion at a given instant of time?**

a) Instantaneous velocity

b) Instantaneous speed

c) Average velocity

d) Average speed

**Answer: **a

**31. Which of the following is the correct formula for instantaneous velocity?**

a) v = dx/dt

b) v = x/t

c) v = xt

d) v = t/x

**Answer: **a

**32. ****The trajectory of an object is defined as x = (t-4)**^{2}**,**** what is the velocity at t = 5?**

^{2}

a) 2

b) 5

c) 1

d) 4

**Answer: **a

**33. A ball is thrown up in the sky, at what position will the instantaneous speed be minimum?**

a) Initial position

b) Final position

c) Halfway through the whole trajectory

d) After covering one fourth of the whole trajectory

**Answer: **c

**34. A car is moving in a spiral starting from the origin with uniform angular velocity. What can be said about the instantaneous velocity?**

a) It increases with time

b) It decreases with time

c) It remains constant

d) It does not depend on time

**Answer: **a

**35. What happen to the instantaneous velocity in a non-uniformly accelerated motion?**

a) It increases

b) It decreases

c) It varies as the acceleration

d) It remains constant

**Answer: **a

**36****. Which of the following is the correct fo****rmula for finding acceleration?**

a) a = dx/dt

b) a = d^{2}x/dt^{2}

c) a = x/t

d) a = d^{3}x/dt^{3}

**Answer: **b

**37****. How does the displacement v/s time graph of a uniforml****y accelerated motion look like?**

a) A straight line

b) A parabola

c) A hyperbola

d) An ellipse

**Answer: **b

**38****. The velocity of a body varies as, v = 2t+5t**^{2}**. What**** is the acceleration at t = 10?**

^{2}

a) 102

b) 100

c) -100

d) 50

**Answer: **a

**39****. A ball falls from a building and covers 5m in**** 10s. What is the acceleration?**

a) 0.1 m/s^{2}

b) 0.2 m/s^{2}

c) 9.81 m/s^{2}

d) 10 m/s^{2}

**Answer: **a

**40****. What is ****negative acceleration known as?**

a) Deceleration

b) Acceleration

c) Escalation

d) Relaxation

**Answer: **a

**41****. A car is travelling in the north direction. To stop, it produces a deceleration of 60 m/s**^{2}**. Which of the following is a correct repre****sentation for the deceleration?**

^{2}

a) 60 m/s^{2} Northwards

b) 60 m/s^{2} Southwards

c) 60 m/s^{2} Eastwards

d) 60 m/s^{2} Westwards

**Answer: **c

**42. A uniformly accelerated body has ____**

a) Constant speed

b) Constant velocity

c) Constant force

d) Constant momentum

**Answer: **c

**43. The velocity of a truck changes form 3 m/s to 5 m/s in 5s. What is the acceleration in m/s2?**

a) 0.4

b) 0.5

c) 4.0

d) 5.0

**Answer: **b

**44. The gradient of velocity v/s time graph is equal to____**

a) Velocity

b) Acceleration

c) Distance

d) Momentum

**Answer: **a

**45. ****The velocity of a ship varies with time as v = 5t**^{3}**. Wha****t is the acceleration at t = 2?**

^{3}

a) 60

b) 56

c) 40

d) 100

**Answer: **a

**46. If the velocity varies parabolically, how does the acceleration vary?**

a) Linearly

b) Hyperbolically

c) Parabolically

d) Elliptically

**Answer: **a

**47. The expression for displacement is x = sin(5t). The expression for acceleration is ______**

a) 5sin(5t)

b) 25cos(5t)

c) -25sin(5t)

d) -5cost(5t)

**Answer: **a

**48. A car moves for 60s covering a distance of 3600m with zero initial velocity. What is the acceleration in m/s**^{2}?

^{2}?

a) 2

b) 2.5

c) 3

d) 4.5

**Answer: **a

**49. Number of primary equations of motion is ___**

a) 1

b) 2

c) 3

d) 4

**Answer: **a

**50. A car moves with zero initial velocity up to a velocity of 5 m/s with an acceleration of 10 m/s**^{2}. The distance covered is ___

^{2}. The distance covered is ___

a) 1.25m

b) 1.5m

c) 1.6m

d) 0m

**Answer: **a

**51. A ball is thrown up with an initial velocity of 20 m/s and after some time it returns. What is the maximum height reached? Take g = 10 m/s**^{2}.

^{2}.

a) 80m

b) 20m

c) 70m

d) 40m

**Answer: **b

**52. A caterpillar starts travelling at a speed of 1 m/h. If the rate at which the speed changes is 0.1 m/h**^{2}, what is the final speed after 10 Hrs?

^{2}, what is the final speed after 10 Hrs?

a) 2 m/h

b) 1 m/h

c) 0.5 m/h

d) 5 m/h

**Answer: **a

**53. A body moves a distance of 15 m in a 15mins, with an initial velocity of 0m/min. What is the final velocity in m/min?**

a) 2

b) 8

c) 5

d) 6

**Answer: **a

**54. 15 m/s can be written in km/h as ______**

a) 54

b) 44

c) 45

d) 56

**Answer: **a

**55. A coin and a bag full of rocks are thrown in a gravity less environment with the same initial speed. Which one of the following statements is true about the situation?**

a) The bag will travel faster

b) The coin will travel faster

c) Both will travel with the same speed

d) Bag will not move

**Answer: **c

**56. A bus moves the first few meters of its journey with an acceleration of 5 m/s2 in 10s and the next few meters with an acceleration of 15 m/s2 in 20s. What is the final velocity in m/s if it starts from rest?**

a) 100

b) 350

c) 450

d) 400

**Answer: **b

**57. The equations of motion are valid for which of the following types of motion?**

a) Constant energy

b) Uniformly accelerated

c) Non-uniformly accelerated

d) Motion along a curve

**Answer: **b

**58. In uniformly accelerated motion, how many variables are required to fully describe the system?**

a) 1

b) 3

c) 4

d) 2

**Answer: **b

**59****. What is the correct formula for relative velocity of a body A ****with respect to B?**

a) Vector V_{R} = Vector V_{A} – Vector V_{B}

b) Vector V_{R} = Vector V_{A} + Vector V_{B}

c) Vector V_{R} = Vector V_{A} x Vector V_{B}

d) Vector V_{R} = Vector V_{B} – Vector V_{A}

**Answer: **a

**60. A body is moving with respect to a stationary frame, its motion can be called _____**

a) Absolute

b) Relative

c) Circular

d) Parabolic

**Answer: **a

**61. A small block is placed over another block which is moving with a velocity of 5m/s. What is the absolute velocity of the small block?**

a) 5m/s

b) 10m/s

c) 0m/s

d) 14m/s

**Answer: **a

**62. The relative velocity of a body A with respect to a body B is 5 m/s. The absolute velocity of body B is 10 m/s. Both the bodies are moving in the same direction. What is the absolute velocity of body A?**

a) 10m/s

b) 15m/s

c) -5m/s

d) 0m/s

**Answer: **b

**63. If two bodies are moving in opposite directions with non-zero velocities, which of the following statements is true?**

a) Relative velocity > Absolute velocity

b) Relative velocity < Absolute velocity

c) Relative velocity = Absolute velocity

d) Relative velocity <= Absolute velocity

**Answer: **a

**64. A car is moving with 20m/s velocity, another car is moving with a velocity of 50 m/s. What is the relative velocity of first car with respect to the second?**

a) 30 m/s

b) -30 m/s

c) 20 m/s

d) 25 m/s

**Answer: **b

**65. A truck is moving with 40 m/s velocity, a train is moving with a velocity of 80 m/s. How fast is the rain moving with respect to the truck?**

a) 40 m/s faster

b) -40 m/s faster

c) 40 m/s slower

d) 60 m/s slower

**Answer: **a

**66. A point A is placed at a distance of 7 m from the origin, another point B is placed at a distance of 10 m from the origin. What is the relative position of B with respect to A?**

a) 3 m from A

b) 4 m from A

c) -3 m from A

d) 5 m from A

**Answer: **a

**67. An observer is sitting on a car moving with some constant velocity. The observer sees things around him, in the ____**

a) Relative frame of reference

b) Absolute frame of reference

c) Valid frame of reference

d) Ground frame of reference

**Answer: **a

**68. A body A is moving in North direction, while another body B is moving towards South. Velocity of A is greater than that of B. If North is taken as positive, which of the following relative velocities is positive?**

a) Velocity of A with respect to B

b) Velocity of B with respect to A

c) Velocity of A with respect to ground

d) Velocity of B with respect to ground

**Answer: **a

**69. What does relative motion signify?**

a) The motion of a body with respect to other body

b) Uniformly accelerated

c) Non-uniformly accelerated

d) Motion along a curve

**Answer: **b

**70. What method is used to find relative value for any vector quantity?**

a) Vector sum

b) Vector difference

c) Vector multiplication

d) Vector division

**Answer: **b

Categories: Motion in a Straight Line