Center Of Mass — JEE Main Previous Year Questions

116 solved PYQs · 2016–2026 · Physics

Solved PYQs: 116
Years covered: 2016–2026
Avg / year: ~11
Subject: Physics

How many JEE Main questions come from Center Of Mass?

Center Of Mass has contributed 116 questions to Joint Entrance Examination (Main) papers between 2016 and 2026 — an average of about 11 questions a year. That count is measured from EByAi’s bank of 55,289 JEE Main questions, not estimated from a syllabus. Every one of the 116 questions carries a written, step-by-step solution, and each is tagged to Center Of Mass within Physics, so you can drill this chapter across every year at once instead of hunting through paper PDFs. Practising a chapter’s full PYQ history is the fastest way to learn the patterns examiners reuse.

Sample Center Of Mass questions from real JEE Main papers

These are 5 real questions from the bank — exactly as asked, with the answer one tap away. All 116 Center Of Mass questions (with full written solutions) are available in practice.

Question 1 · JEE Main 2025
Consider a circular disc of radius 20 cm with centre located at the origin. A circular hole of radius 5 cm is cut from this disc in such a way that the edge of the hole touches the edge of the disc. The distance of centre of mass of residual or remaining disc from the origin will be
1. (A) $1.5 cm$
2. (B) $2.0 cm$
3. (C) $0.5 cm$
4. (D) $1.0 cm$
Show answerAnswer
$Answer: (D) 1.0 cm$
Question 2 · JEE Main 2023
A particle of mass m moving with velocity v collides with a stationary particle of mass 2m. After collision, they stick together and continue to move together with velocity
1. (A) $v$
2. (B) $\frac{v}{3}$
3. (C) $\frac{v}{4}$
4. (D) $\frac{v}{2}$
Show answerAnswer
$Answer: (B) \frac{v}{3}$
Question 3 · JEE Main 2022
If momentum of a body is increased by 20%, then its kinetic energy increases by
1. (A) $36%$
2. (B) $40%$
3. (C) $44%$
4. (D) $48%$
Show answerAnswer
$Answer: (C) 44%$
Question 4 · JEE Main 2022
Two bodies A and B of masses 5 kg and 8 kg are moving such that the momentum of body B is twice that of the body A. The ratio of their kinetic energies will be :
1. (A) $4 : 5$
2. (B) $2 : 5$
3. (C) $5 : 4$
4. (D) $5 : 2$
Show answerAnswer
$Answer: (B) 2 : 5$
Question 5 · JEE Main 2022
What percentage of kinetic energy of a moving particle is transferred to a stationary particle when it strikes the stationary particle of 5 times its mass? (Assume the collision to be head-on elastic collision)
1. (A) $50.0%$
2. (B) $66.6%$
3. (C) $55.6%$
4. (D) $33.3%$
Show answerAnswer
$Answer: (C) 55.6%$

Center Of Mass questions by year

Year	Questions	Share of chapter questions
2026	8
2025	7
2024	10
2023	11
2022	16
2021	22
2020	17
2019	19
2018	3
2017	1
2016	2

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FAQs

How many JEE Main questions have been asked from Center Of Mass?

EByAi's bank holds 116 real JEE Main questions from Center Of Mass, asked between 2016 and 2026 — about 11 per year on average. Every count is measured from actual papers, not estimated.

Is Center Of Mass important for JEE Main?

116 questions over 11 papers make Center Of Mass a moderate-weightage chapter in JEE Main Physics. The year-wise table above shows exactly how often it appears.

Can I solve Center Of Mass PYQs online for free?

Yes. EByAi lets you solve JEE Main past-year questions in the browser with written solutions — free daily practice, no card needed.

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