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JEE Motion in One Dimension PYQs with Solutions

341 previous year questions from Motion in One Dimension (JEE Main & Advanced Physics) with answers and solutions. Numbered list, year tags, and one-tap solutions — built for serious JEE / NEET practice.

341 questionsPhysics2002–2026Answers + solutions

About Motion in One Dimension PYQs

Motion in One Dimension has 341 previous year questions in the Quantrex Academy JEE Main & Advanced Physics bank. The 220 questions in this list come from JEE Main (178), NTA Abhyas JEE Main (38) and JEE Advanced (4), spanning 2002 to 2026. Each question opens on its own page with the options, the correct answer and the worked solution where available.

Questions by year (this list)

  • 2026: 10
  • 2025: 11
  • 2024: 23
  • 2023: 23
  • 2022: 23
  • 2021: 25
  • 2020: 56
  • 2019: 7
  • 2018: 5
  • 2017: 3
  • 2016: 1
  • 2015: 2

Motion in One Dimension questions with solutions

1

A gas balloon is going up with a constant velocity of 10 m/s. When this balloon reached a height of 75 m, a stone is dropped from it and balloon keeps moving up with the same

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2

Two masses of 3.4 kg and 2.5 kg are accelerated from an initial speed of 5 m/s and 12 m/s, respectively. The distances traversed by the masses in the 5^th second are 104 m and 129

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3

The velocity ( v ) versus time ( t ) plot of a particle is shown in the figure, for a time interval of 40 s . The total distance travelled by the particle and the average velocity

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4

From 18 m height above the ground a ball is dropped from rest. The height above the ground at which the magnitude of velocity equal to the magnitude of acceleration (in the same

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5

Two cars A and B are moving in the same direction along a straight line with speeds 100 km/h and 80 km/h, respectively such that car A is moving ahead of car B . A person in car B

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6

The velocity of a particle is given as v = -x i + 2y j - z k m/s. The magnitude of acceleration at point (1, 2, 4) is _______ m/s ^2 .

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7

A particle starts moving from time t=0 and its coordinate is given as x(t)=4 t^ 3 -3 t A. The particle returns to its original position (origin) 0.866 units later B. The particle

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8

Water drops fall from a tap on the floor, 5 m below, at regular intervals of time, the first drop strikes the floor when the sixth drop begins to fall. The height at which the

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9

The velocity (v) - Distance (x) graph is shown in figure. Which graph represents acceleration (a) versus distance (x) variation of this system?

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10

A paratrooper jumps from an aeroplane and opens a parachute after 2 s of free fall and starts deaccelerating with 3 ~m / s^ 2 . At 10 m height from ground, while descending with

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11

A body of mass 2 kg moving with velocity of v _ in =3 i +4 j ms^ -1 enters into a constant force field of 6 N directed along positive z -axis. If the body remains in the field for

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12

A helicopter flying horizontally with a speed of 360 ~km / h at an altitude of 2 km , drops an object at an instant. The object hits the ground at a point O , 20 s after it is

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13

The displacement x versus time graph is shown below. (A) The average velocity during 0 to 3 s is 10 ~m / s (B) The average velocity during 3 to 5 s is 0 ~m / s (C) The

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14

A particle moves along the x -axis and has its displacement x varying with time t according to the equation x=c_0(t^2-2)+c(t-2)^2 where c_0 and c are constants of appropriate

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15

Which of the following curves possibly represent one-dimensional motion of a particle? Choose the correct answer from the options given below :

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16

A sportsman runs around a circular track of radius r such that he traverses the path A B A B . The distance travelled and displacement, respectively, are

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17

A person travelling on a straight line moves with a uniform velocity v_1 for a distance x and with a uniform velocity v_2 for the next (3)/(2) x distance. The average velocity in

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18

Two cars P and Q are moving on a road in the same direction. Acceleration of car P increases linearly with time whereas car Q moves with a constant acceleration. Both cars cross

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19

The maximum speed of a boat in still water is \(27 ~km / h \). Now this boat is moving downstream in a river flowing at \(9 ~km / h \). A man in the boat throws a ball vertically

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20

The velocity-time graph of an object moving along a straight line is shown in figure. What is the distance covered by the object between t=0 to t=4 ~s ?

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21

The motion of an airplane is represented by velocity-time graph as shown below. The distance covered by airplane in the first 30.5 second is _______ km .

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22

A ball is thrown from the location (x_0, y_0)=(0,0) of a horizontal playground with an initial speed v_0 at an angle θ_0 from the +x -direction. The ball is to be hit by a stone

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23

Two cars are travelling towards each other at speed of 20 ~m ~s^ -1 each. When the cars are 300 ~m apart, both the drivers apply brakes and the cars retard at the rate of 2 ~m ~s^

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24

A particle moving in a straight line covers half the distance with speed 6 ~m / s . The other half is covered in two equal time intervals with speeds 9 ~m / s and 15 ~m / s

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25

A clock has 75 ~cm, 60 ~cm long second hand and minute hand respectively. In 30 minutes duration the tip of second hand will travel x distance more than the tip of minute hand.

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26

A body projected vertically upwards with a certain speed from the top of a tower reaches the ground in t_1 . If it is projected vertically downwards from the same point with the

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27

A particle moves in a straight line so that its displacement x at any time t is given by x^2=1+t^2 . Its acceleration at any time t is x^ -n where n= ___________

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28

A train starting from rest first accelerates uniformly up to a speed of 80 ~km / h for time t , then it moves with a constant speed for time 3 t . The average speed of the train

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29

A body moves on a frictionless plane starting from rest. If S_n is distance moved between t=n-1 and t=n and S_ n-1 is distance moved between t=n-2 and t=n-1 , then the ratio S_

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30

A cyclist starts from the point P of a circular ground of radius 2 ~km and travels along its circumference to the point S . The displacement of a cyclist is:

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31

A bus moving along a straight highway with speed of 72 ~km / h is brought to halt within 4 s after applying the brakes. The distance travelled by the bus during this time (Assume

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32

A body travels 102.5 ~m in n^ th second and 115.0 ~m in ( n+ 2)^ th second. The acceleration is :

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33

A particle initially at rest starts moving from reference point x = 0 along x -axis, with velocity v that varies as v = 4 x m s ^ - 1 . The acceleration of the particle is _____ m

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34

Train A is moving along two parallel rail tracks towards north with 72km h ^ - 1 and train B is moving towards south with speed 108km h ^ - 1 . Velocity of train B with respect to

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35

A particle is moving in one dimension (along x axis) under the action of a variable force. It's initial position was 16m right of origin. The variation of its position (x) with

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36

The relation between time ‘ t ’ and distance ‘ x ’ is t = α x ^ 2 + , where α and β are constants. The relation between acceleration (a) and velocity (v) is:

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37

A small steel ball is dropped into a long cylinder containing glycerine. Which one of the following is the correct representation of the velocity time graph for the transit of the

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38

The displacement and the increase in the velocity of a moving particle in the time interval of t to ( t + 1 ) s are 125m and 50m s ^ - 1 , respectively. The distance travelled by

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39

A particle is moving in a straight line. The variation of position x as a function of time t is given as x = ( t ^ 3 - 6 t ^ 2 + 20t + 15)m . The velocity of the body when its

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40

A body starts moving from rest with constant acceleration covers displacement S _ 1 in first ( p - 1 ) seconds and S _ 2 in first p seconds. The displacement S _ 1 + S _ 2 will be

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41

A body falling under gravity covers two points A and B separated by 80m in 2s . The distance of upper point A from the starting point is _____ m . Use (g = 10m s ^ - 2 )

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42

A bullet is fired into a fixed target looses one third of its velocity after travelling 4cm . It penetrates further D × 10 ^ - 3 m before coming to rest. The value of D is :

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43

Position of an ant ( S in metres) moving in Y - Z plane is given by S = 2 t ^ 2 ^ j + 5 ^ k (where t is in second). The magnitude and direction of velocity of the ant at t = 1s

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44

A particle starts from origin at t = 0 with a velocity 5 ^ i m s ^ - 1 and moves in x - y plane under action of a force which produces a constant acceleration of ( 3 ^ i + 2 ^ j )

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45

The position of a particle related to time is given by x = ( 5 t ^ 2 - 4t + 5 ) m . The magnitude of velocity of the particle at t = 2 s will be :

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46

The distance travelled by an object in time t is given by s = (2 . 5) t ^ 2 . The instantaneous speed of the object at t = 5s will be :

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47

A passenger sitting in a train A moving at 90km h ^ - 1 observes another train B moving in the opposite direction for 8s . If the velocity of the train B is 54km h ^ - 1 , then

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48

Two trains A and B of length l and 4l are travelling into a tunnel of length L in parallel tracks from opposite directions with velocities 108km h ^ - 1 and 72km h ^ - 1

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49

A ball is thrown vertically upward with an initial velocity of 150m s ^ - 1 . The ratio of velocity after 3s and 5s is (x + 1)/(x) . The value of x is _____. take, g = 10m s ^ - 2

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50

Given below are two statements: Statement I : A truck and a car moving with same kinetic energy are brought to rest by applying breaks which provide equal retarding forces. Both

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51

Form the v - t graph shown, the ratio of distance to displacement in 25s of motion is:

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52

A person travels x distance with velocity v _ 1 and then x distance with velocity v _ 2 in the same direction. The average velocity of the person is v , then the relation between

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53

The position-time graphs for two students A and B returning from the school to their homes are shown in figure. (A) A lives closer to the school (B) B lives closer to the school

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54

Given below are two statements: Statement I: Area under velocity-time graph gives the distance travelled by the body in a given time. Statement II: Area under acceleration-time

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55

A particle starts with an initial velocity of 10 . 0 ms ^ - 1 along x -direction and accelerates uniformly at the rate of 2 . 0m s ^ - 2 . The time taken by the particle to reach

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56

As shown in the figure, a particle is moving with constant speed s ^ - 1 . Considering its motion from A to B , the magnitude of the average velocity is:

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57

A particle of mass 10g moves in a straight line with retardation 2x, where x is the displacement in SI units. Its loss of kinetic energy for above displacement is ((10)/(x)) ^ - n

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58

For a train engine moving with speed of 20 ms ^ – 1 , the driver must apply brakes at a distance of 500m before the station for the train to come to rest at the station. If the

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59

An object moves with speed v _ 1 , v _ 2 and v _ 3 along a line segment AB, BCandCD respectively as shown in figure. Where AB = BCandAD = 3AB , then average speed of the object

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60

A vehicle travels 4km with speed of 3km h ^ - 1 and another 4km with speed of 5km h ^ - 1 , then its average speed is :

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61

An object is allowed to fall from a height R above the earth, where R is the radius of earth. Its velocity when it strikes the earth’s surface, ignoring air resistance, will

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62

Match Column-I with Column-II : Column-I (x-t graphs) Column-II (v-t graphs) A I B II C III D IV Choose the correct answer from the options given below:

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63

A horse rider covers half the distance with 5m s ^ - 1 speed. The remaining part of the distance was travelled with speed 10m s ^ - 1 for half the time and with speed 15m s ^ - 1

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64

A tennis ball is dropped on to the floor from a height of 9 . 8m . It rebounds to a height 5 . 0m . Ball comes in contact with the floor for 0 . 2s . The average acceleration

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65

The distance travelled by a particle is related to time t as x = 4 t ^ 2 . The velocity of the particle at t = 5s is

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66

A car travels a distance of x with speed v _ 1 and then same distance x with speed v _ 2 in the same direction. The average speed of the car is:

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67

The velocity-time graph of a body moving in a straight line is shown in figure. The ratio of displacement and distance travelled by the body in time 0 to 10s is

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68

A juggler throws balls vertically upwards with same initial velocity in air. When the first ball reaches its highest position, he throws the next ball. Assuming the juggler throws

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69

A ball is released from a height h . If t _ 1 and t _ 2 be the time required to complete first half and second half of the distance respectively. Then, choose the correct relation

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70

A ball is thrown up vertically with a certain velocity so that, it reaches a maximum height h . Find the ratio of the times in which it is at height (h)/(3) while going up and

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71

If t = x + 4 , then ((dx)/(dt)) _ t = 4 is:

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72

A ball is thrown vertically upwards with a velocity of 19 . 6m s ^ - 1 from the top of a tower. The ball strikes the ground after 6s . The height from the ground up to which the

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73

A NCC parade is going at a uniform speed of 9km h ^ - 1 under a mango tree on which a monkey is sitting at a height of 19 . 6m . At any particular instant, the monkey drops a

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74

The velocity of the bullet becomes one third after it penetrates 4cm in a wooden block. Assuming that bullet is facing a constant resistance during its motion in the block. The

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75

A bullet is shot vertically downwards with an initial velocity of 100m s ^ - 1 from a certain height. Within 10s , the bullet reaches the ground and instantaneously comes to rest

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76

A particle is moving in a straight line such that its velocity is increasing at 5 ms ^ - 1 per meter. The acceleration of the particle is _____ m s ^ - 2 at a point where its

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77

A car is moving with speed of 150km h ^ - 1 and after applying the brake it will move 27m before it stops. If the same car is moving with a speed of one third the reported speed

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78

A small toy starts moving from the position of rest under a constant acceleration. If it travels a distance of 10m in ts , the distance travelled by the toy in the next ts will be:

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79

Two balls A and B are placed at the top of 180m tall tower. Ball A is released from the top at t = 0s . Ball B is thrown vertically down with an initial velocity u at t = 2s .

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80

Velocity (v) and acceleration (a) in two systems of units 1 and 2 are related as v _ 2 = n m ^ 2 v _ 1 and a _ 2 = a _ 1 mn respectively. Here m and n are constants. The relations

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81

A car covers AB distance with first one-third at velocity v _ 1 ms ^ - 1 , second one-third at v _ 2 ms ^ - 1 and last one-third at v _ 3 ms ^ - 1 . If v _ 3 = 3 v _ 1 , v _ 2 = 2

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82

Motion of a particle in x - y plane is described by a set of following equations x = 4sin((π)/(2) - )m and y = 4sin( )m . The path of the particle will be

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83

When a ball is dropped into a lake from a height 4 . 9m above the water level, it hits the water with a velocity v and then sinks to the bottom with the constant velocity v . It

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84

A ball is projected vertically upward with an initial velocity of 50 ms ^ - 1 at t = 0s . At t = 2s , another ball is projected vertically upward with same velocity. At t = ____ s

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85

A person is standing in an elevator. In which situation, he experiences weight loss ?

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86

An object is thrown vertically upwards. At its maximum height, which of the following quantity becomes zero ?

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87

A ball of mass 0 . 5kg is dropped from the height of 10m . The height, at which the magnitude of velocity becomes equal to the magnitude of acceleration due to gravity, is _____ m

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88

Two buses P and Q start from a point at the same time and move in a straight line and their positions are represented by x _ P (t) = + β t ^ 2 and x _ Q (t) = ft - t ^ 2 . At what

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89

An object of mass 5kg is thrown vertically upwards from the ground. The air resistance produces a constant retarding force of 10N throughout the motion. The ratio of time of

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90

From the top of a tower, a ball is thrown vertically upward which reaches the ground in 6s . A second ball thrown vertically downward from the same position with the same speed

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91

An object of mass m is being moved with a constant velocity under the action of an applied force of 2N along a frictionless surface with following surface profile. The correct

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92

A particle is moving with constant acceleration a . Following graph shows v ^ 2 versus x (displacement) plot. The acceleration of the particle is _________ m s ^ - 2 .

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93

Water drops are falling from a nozzle of a shower onto the floor from a height of 9 . 8m . The drops fall at a regular interval of time. When the first drop strikes the floor, at

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94

If the velocity of a body related to displacement x is given by v = 5000 + 24x m s ^ - 1 , then the acceleration of the body is _________ m s ^ - 2 .

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95

Two spherical balls having equal masses with radius of 5cm each are thrown upwards along the same vertical direction at an interval of 3s with the same initial velocity of 35m s ^

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96

A particle of mass M originally at rest is subjected to a force whose direction is constant but magnitude varies with time according to the relation F = F _ 0 [1 - ((t - T)/(T)) ^

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97

A ball is thrown up with a certain velocity so that it reaches a height h . Find the ratio of the two different times of the ball reaching (h)/(3) in both the directions.

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98

The relation between time t and distance x for a moving body is given as t = m x ^ 2 + nx , where m and n are constants. The retardation of the motion is: (When v stands for

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99

A balloon was moving upwards with a uniform velocity of 10m s ^ - 1 . An object of finite mass is dropped from the balloon when it was at a height of 75m from the ground level.

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100

The instantaneous velocity of a particle moving in a straight line is given as v = + β t ^ 2 , where α and β are constants. The distance travelled by the particle between 1s and

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101

Water droplets are coming from an open tap at a particular rate. The spacing between a droplet observed at 4 ^ th second after its fall to the next droplet is 34 . 3m . At what

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102

A body at rest is moved along a horizontal straight line by a machine delivering a constant power. The distance moved by the body in time t is proportional to:

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103

The velocity-displacement graph of a particle is shown in the figure. The acceleration-displacement graph of the same particle is represented by :

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104

The position, velocity and acceleration of a particle moving with a constant acceleration can be represented by :

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105

The velocity of a particle is v = ( v _ 0 + gt + F t ^ 2 )m s ^ - 1 . Its position is x = 0 at t = 0; then its displacement after time ( t = 1s ) is :

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106

A car accelerates from rest at a constant rate α for some time after which it decelerates at a constant rate β to come to rest. If the total time elapsed is t seconds, the total

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107

A mosquito is moving with a velocity → v = 0 . 5 t ^ 2 ^ i + 3t ^ j + 9 ^ k m s ^ - 1 and accelerating in uniform conditions. What will be the direction of mosquitoes after 2s ?

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108

A body of mass 2kg moves under a force of (2 ^ i + 3 ^ j + 5 ^ k )N It starts from rest and was at the origin initially. After 4s , its new coordinates are (8, b, 20) . The value

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109

The velocity-displacement graph describing the motion of a bicycle is shown in the figure. The acceleration-displacement graph of the bicycle's motion is best described by :

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110

A scooter accelerates from rest for time t _ 1 at constant rate a _ 1 and then retards at constant rate a _ 2 for time t _ 2 and comes to rest. The correct value of t _ 1 t _ 2

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111

A boy pushes a box of mass 2kg with a force → F = (20 ^ i + 10 ^ j )N on a frictionless surface. If the box was initially at rest, then _______ m is displacement along the x -axis

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112

A person standing on a spring balance inside a stationary lift measures 60kg . The weight of that person if the lift descends with uniform downward acceleration of 1 . 8m s ^ - 2

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113

A stone is dropped from the top of a building. When it crosses a point 5m below the top, another stone starts to fall from a point 25m below the top. Both stones reach the bottom

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114

An engine of a train, moving with uniform acceleration, passes the signal-post with velocity u and the last compartment with velocity v . The velocity with which middle point of

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115

If the velocity-time graph has the shape AMB, what would be the shape of the corresponding acceleration-time graph?

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116

Starting at time t = 0 from the origin with speed 1m s ^ - 1 , a particle follows a two-dimensional trajectory in the x - y plane so that its coordinates are related by the

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117

A particle moving in the xy -plane experiences a velocity dependent force → F = k( υ _ y ^ i + υ _ x ^ j ) , where υ _ x and υ _ y are the x and y components of its velocity → υ .

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118

When a car is at rest, its driver sees rain drops falling on it vertically. When driving the car with speed v , he sees that rain drops coming at an angle 60 ^ ∘ from the

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119

The velocity ( v ) and time ( t ) graph of a body in a straight line motion is shown in the figure. The point S is at 4 . 333 seconds. The total distance covered by the body in 6s

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120

A balloon is moving up in air vertically above a point A on the ground. When it is a height h _ 1 , a girl standing at a distance d (point B) from A (see figure) sees it at an

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