Motion under gravity questions with solutions

Showing 1–10 of 136 questions

• MCQmediumKinematics Part-1 (one dimension)Motion under gravity

  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/s2)

  Options

  • Option A

    3.8

  • Option B

    4.0

  • Option C

    4.2

  • Option D

    2.5

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  JEE Main 2026 (Online) 28th January Morning Shiftkinematics previous year

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• MCQmediumKinematics Part-1 (one dimension)Motion under gravity

  A stone falls freely under gravity. It covers distances h₁, h₂ and h₃ in the first 5 seconds, the next 5 seconds and the next 5 seconds respectively. The relation between h₁, h₂ and h₃ is:

  Options

  • Option A

    h₁ = 2h₂ = 3h₂

  • Option B

    h₁ = h₂/3 = h₃/5

  • Option C

    h₂ = 3h₁ and h₃ = 3h₃

  • Option D

    4h₁ = h₂ = h₃

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  NEET 2013

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• MCQmediumKinematics Part-1 (one dimension)Motion under gravity

  A particle is thrown upward from the ground. It experiences a constant resistance force that produces retardation 2 m s⁻². The ratio of time of ascent to time of descent is (g=10 m s⁻²):

  Options

  • Option A

    1:1

  • Option B

    √(2/3)

  • Option C

    2/3

  • Option D

    √(3/2)

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  JEE MainsNEET

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• MCQmediumKinematics Part-1 (one dimension)Motion under gravity

  A particle is projected vertically upward with speed u and returns to the point of projection after total time T. Its average speed during the first 3T/4 is:

  Options

  • Option A

    u/3

  • Option B

    5u/12

  • Option C

    u/2

  • Option D

    2u/3

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• MCQmediumKinematics Part-1 (one dimension)Motion under gravity

  A ball P is dropped vertically and another ball Q is thrown horizontally with the same speed from the same height at the same time. If air resistance is neglected, then:

  Options

  • Option A

    Ball P reaches the ground first.

  • Option B

    Ball Q reaches the ground first.

  • Option C

    Both reach the ground at the same time.

  • Option D

    Their masses decide the time.

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• Multi-correctdifficultKinematics Part-1 (one dimension)Motion under gravity

  A body is dropped from rest from height H and takes total time T to reach the ground. Which statements are correct?

  Select all that apply

  • Option A

    H = (1/2)gT².

  • Option B

    Distance in the last second is (g/2)(2T - 1).

  • Option C

    Distance covered in successive one-second intervals is proportional to odd integers.

  • Option D

    Average speed over the complete fall is gT.

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• Multi-correctdifficultKinematics Part-1 (one dimension)Motion under gravity

  A particle is projected vertically upward in a medium with quadratic air resistance and later returns to the same level. Which statements are correct?

  Select all that apply

  • Option A

    Time of descent is greater than time of ascent.

  • Option B

    Impact speed is smaller than projection speed.

  • Option C

    Maximum height is smaller than u²/(2g).

  • Option D

    Upward and downward motions are symmetric about the highest point.

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  JEE MainsJEE Advanced

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• MCQdifficultKinematics Part-1 (one dimension)Motion under gravity

  Water drops fall from a tap at equal time intervals. At the instant the first drop reaches the floor, the fifth drop is just leaving the tap. The tap is 20 m above the floor and g = 10 m s⁻². The height of the third drop above the floor at that instant is:

  Options

  • Option A

    5 m

  • Option B

    10 m

  • Option C

    15 m

  • Option D

    17.5 m

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• MCQmediumKinematics Part-1 (one dimension)Motion under gravity

  A paratrooper jumps from an aeroplane and opens a parachute after 2 s of free fall and starts deaccelerating with 3 m/s2 . At 10 m height from ground, while descending with the help of parachute, the speed of paratrooper is 5 m/s. The initial height of the airplane is _____ m.(g=10 m/s2)

  Options

  • Option A

    92.5

  • Option B

    62.5

  • Option C

    20

  • Option D

    82.5

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  JEE Main 2026 (Online) 23rd January Evening Shiftkinematics previous year

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• MCQmediumKinematics Part-1 (one dimension)Motion under gravity

  A body is dropped from height h under acceleration due to gravity g. If t₁ and t₂ are the times taken to fall through the first half and the second half of the distance, respectively, then:

  Options

  • Option A

    t₁=t₂

  • Option B

    t₁=2t₂

  • Option C

    t₁=2.414t₂

  • Option D

    t₁=4t₂

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