Kinematics 1D - NEET Previous Year Questions with Complete Solutions
Practice Kinematics 1D NEET Previous Year Questions with complete solutions, key motion formulas, graph-based concepts, free fall, relative velocity, and exam-focused preparation strategies for NEET Physics.
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Kinematics 1D in NEET: Weightage and Important Topics
How Many Questions Come from Kinematics 1D in NEET?
Kinematics 1D (Motion in a Straight Line) contributes 1–2 questions in NEET Physics almost every year. While this may seem small, these are among the most straightforward marks available in the Physics section — a student who has practised PYQs carefully will almost always get these correct.
| Year | Questions from Kinematics 1D | Topics Asked |
|---|---|---|
| NEET 2024 | 1 | Equations of motion, uniform acceleration |
| NEET 2023 | 1 | Velocity-time graph interpretation |
| NEET 2022 | 2 | Free fall, relative velocity |
| NEET 2021 | 1 | Average velocity calculation |
| NEET 2020 | 1 | Displacement-time graph |
| NEET 2019 | 2 | Equations of motion, projectile setup |
| NEET 2018 | 1 | Motion under gravity |
NEET PYQs: Equations of Motion
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Which Topics Are Most Frequently Tested?
Based on NEET papers from 2010 to 2024, the five highest-frequency topics in Kinematics 1D are:
- Equations of motion (v = u + at, s = ut + ½at², v² = u² + 2as)
- Velocity-time and displacement-time graph interpretation
- Free fall and bodies thrown vertically (with g = 10 m/s²)
- Relative velocity in one dimension
- Average speed vs average velocity distinction
💡 Expert Tip by eSaral IIT Faculty: NEET Kinematics questions are rarely calculation-heavy. They test concept clarity — particularly the difference between distance and displacement, speed and velocity, and uniform vs non-uniform motion. A student who understands these distinctions and has seen 10–15 PYQs will score full marks from this chapter every time.
Key Formulas You Must Know Before Solving PYQs
Memorise these before attempting any Kinematics 1D PYQ. Every formula below has appeared in at least one NEET question since 2010.
| Formula | Description | Condition |
|---|---|---|
| v = u + at | First equation of motion | Uniform acceleration |
| s = ut + ½at² | Second equation of motion | Uniform acceleration |
| v² = u² + 2as | Third equation of motion | Uniform acceleration |
| s_n = u + a(2n–1)/2 | Distance in nth second | Uniform acceleration |
| v_avg = (u + v)/2 | Average velocity | Uniform acceleration only |
| v_avg = Total distance / Total time | Average speed | Any motion |
| v_rel = v_A – v_B | Relative velocity | 1D, same direction |
| g = 9.8 m/s² ≈ 10 m/s² | Acceleration due to gravity | Free fall (use 10 in NEET) |
| Time of flight (throw up) = 2u/g | Vertical throw upward | Free fall symmetry |
| Maximum height = u²/2g | Vertical throw upward | Free fall |
Important: In NEET, always use g = 10 m/s² unless the question specifies otherwise. Using 9.8 gives the same answer but takes more calculation time.
Frequently Asked Questions
Find answers to common questions.
How many questions come from Kinematics 1D in NEET every year?
Kinematics 1D (Motion in a Straight Line) typically contributes 1–2 questions in NEET Physics each year. While the number is small, these are reliable marks — students who practise PYQs consistently and know equations of motion, graphs, and free-fall problems almost never drop marks from this chapter.
What is the weightage of Motion in a Straight Line in NEET?
Motion in a Straight Line carries approximately 2–5% weightage in NEET Physics, contributing 1–2 questions worth 4–8 marks. Combined with Kinematics 2D (projectile motion), the entire kinematics unit can contribute 3–4 questions, making it one of the better-defined scoring sections in NEET Physics.
Which topics in Kinematics 1D are most important for NEET?
Based on PYQ analysis from 2010–2024, the five most important topics are: equations of motion (v = u + at, v² = u² + 2as, s = ut + ½at²), velocity-time and displacement-time graph interpretation, free fall and vertical throw under gravity, relative velocity in one dimension, and average speed vs average velocity distinction.
What is the difference between average speed and average velocity in NEET questions?
Average speed = total distance divided by total time — always positive. Average velocity = total displacement divided by total time — can be zero or negative if the body returns to the start. For a body that goes up and returns to the same point, average velocity = 0 but average speed is non-zero. NEET frequently tests this distinction in MCQs.
Should I use g = 9.8 or g = 10 m/s² in NEET?
Always use g = 10 m/s² in NEET unless the question explicitly states otherwise. Using 10 gives the same answer as 9.8 for standard problems and saves critical calculation time in the exam. NTA sets NEET problems with g = 10 in mind for Physics.