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Motion in a Straight Line

JEE Mains Physics. Try each one first, then open its answer.

Top 10 JEE Mains PYQs to practise first

The questions and kinds of question asked most often come first. Each one says how often and in which papers.

  1. Question 1

    This type asked 7 times: 28 Jun 2022, 25 Jan 2023, 30 Jan 2023, 1 Feb 2023, 10 Apr 2023, 9 Apr 2024, 2 Apr 2025. This one: 2 Apr 2025 See all 7 of this type

    25
    A person travelling on a straight line moves with a uniform velocity v1v_{1} for a distance x and with a uniform velocity v2v_{2} for the next 32x\frac{3}{2}x distance. The average velocity in this motion is 507 m/s\frac{50}{7}\text{ }m/s. If v1v_{1} is 5 m/s5\text{ }m/s then v2=v_{2} = ____\_\_\_\_ m/sm/s.

  2. Question 2

    This type asked 5 times: 29 Jun 2022, 30 Jan 2024, 4 Apr 2024, 5 Apr 2024, 8 Apr 2026 S2. This one: 8 Apr 2026 S2 See all 5 of this type

    25
    Two masses of 3.4 kg and 2.5 kg are accelerated from an initial speed of 5 m/s5\text{ }m/s and 12 m/s12\text{ }m/s, respectively. The distances traversed by the masses in the 5th 5^{\text{th~}} second are 104 m and 129 m , respectively. The ratio of their momenta after 10 s is x8\frac{x}{8}. The value of xx is ____\_\_\_\_ .

  3. Question 3

    This type asked 5 times: 24 Jan 2023, 11 Apr 2023, 23 Jan 2025, 28 Jan 2025, 5 Apr 2026 S2. This one: 5 Apr 2026 S2 See all 5 of this type

    4
    The velocity (v)(v) versus time (t)(t) plot of a particle is shown in the figure, for a time interval of 40s. The total distance travelled by the particle and the average velocity during this period are, respectively ____\_\_\_\_

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  4. Question 4

    This type asked 5 times: 2021 Paper 20, 25 Jul 2022, 11 Apr 2023, 1 Feb 2024, 7 Apr 2025. This one: 7 Apr 2025 See all 5 of this type

    94
    An object with mass 500 g moves along x -axis with speed v=4x m/sv = 4\sqrt{x}\text{ }m/s. The force acting on the object is :

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  5. Question 5

    This type asked 4 times: 25 Jul 2022, 1 Feb 2023, 4 Apr 2024, 9 Apr 2024. This one: 9 Apr 2024 See all 4 of this type

    97
    Two cars are travelling towards each other at speed of 20 m s−120\text{ }m{\text{ }s}^{- 1} each. When the cars are 300 m300\text{ }m apart, both the drivers apply brakes and the cars retard at the rate of 2 m s−22\text{ }m{\text{ }s}^{- 2}. The distance between them when they come to rest is:

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  6. Question 6

    This type asked 3 times: 2021 Paper 14, 2021 Paper 21, 28 Jan 2026 S1. This one: 28 Jan 2026 S1 See all 3 of this type

    5
    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 fourth drop will be from ground, at the instant when the first drop strikes the ground is ____\_\_\_\_ m. ( g=10 m/s2g = 10\text{ }m/s^{2} )

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  7. Question 7

    This type asked 3 times: 2021 Paper 5, 2021 Paper 10, 24 Jan 2026 S2. This one: 24 Jan 2026 S2 See all 3 of this type

    19
    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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  8. Question 8

    This type asked 3 times: 25 Jan 2023, 13 Apr 2023, 15 Apr 2023. This one: 15 Apr 2023 See all 3 of this type

    13
    The position of a particle related to time is given by x=(5t2−4t+5)mx =\left( 5t^{2}- 4t + 5 \right)m. The magnitude of velocity of the particle at t=2 st = 2\text{ }s will be:

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  9. Question 9

    Asked 2 times: 2021 Paper 15, 8 Apr 2026 S2 See all 2 times it was asked

    4
    A gas balloon is going up with a constant velocity of 10 m/s10\text{ }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 velocity. The height of the balloon when the stone hits the ground is ____\_\_\_\_ m . (Take g=10 m/s2g = 10\text{ }m/s^{2})

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  10. Question 10

    Asked 2 times: 26 Jun 2022*, 5 Apr 2026 S1 (* = numbers or wording changed that year) See all 2 times it was asked

    22
    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 set of units) due to gravity is ____\_\_\_\_ m. (Take g=10 m/s2g = 10\text{ }m/s^{2} and neglect the air resistance)