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Physics - Center of Mass Momentum and Collision

Practise 60 NEET previous year questions on Center of Mass Momentum and Collision, compiled from papers spanning 2002 to 2026. Each question is pulled directly from the actual exam paper it appeared in, so you're practising in the exact style and difficulty NEET tests.

Center of Mass Momentum and Collision has been asked in 24 of the 39 years of NEET papers analysed (1988–2026), with 60 questions in all. 37% of them were easy, 33% moderate and 30% tough. Most of its questions came from 2010, with 6 questions that year. In the last three years (2024–2026) it had 4 questions across 13 papers, about 0.3 per paper.

The chapter's 7 topics are not weighted equally: momentum (22 questions, 37%), Collisions (12 questions, 20%), and Centre of mass of discrete particles (11 questions, 18%) have been asked the most. Over the last five years the most frequent topics have been Collisions (4), Motion of centre of mass (3), and momentum (2). momentum has produced the most tough questions (8).

  1. 1Bob of mass at rest is hanging vertically from the ceiling via a massless string of length m, as shown in the figure. Point mass of mass tra2026 (Re-NEET)Collisions
  2. 2A frictionless circular wire of unit radius is fixed on the horizontal plane. Two point particles of unit mass start moving simultaneously f2026 (Re-NEET)momentum
  3. 3A ball of mass 0.5 kg is dropped from a height of 40 m . The ball hits the ground and rises to a height of 10 m . The impulse imparted to th2025Impulse
  4. 4Two bodies and of same mass undergo completely inelastic one dimensional collision. The body moves with velocity while body is at rest befor2024Collisions
  5. 5Two particles and initially at rest, move towards each other under mutual force of attraction. At an instance when the speed of is and speed2023 (Manipur)Motion of centre of mass
  6. 6A bullet of mass hits a block of mass elastically. The transfer of energy is the maximum, when2023 (Manipur)Collisions
  7. 7A object strikes a wall with velocity at an angle of with the wall and reflects at the same angle. If it remains in contact with wall for , 2023 (Manipur)Collisions
  8. 8A shell of mass m is at rest initially. It explodes into three fragments having mass in the ratio 2 : 2 : 1 . If the fragments having equal 2022 (Phase 1)Motion of centre of mass
  9. 9Two objects of mass 10 kg and 20 kg respectively are connected to the two ends of a rigid rod of length 10 m with negligible mass. The dista2022 (Phase 1)Centre of mass of continuous mass distribution
  10. 10The distance covered by a body of mass having linear momentum in is:2022 (Phase 2)momentum
  11. 11Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R), Assertion (A): When a fire cracker2022 (Phase 2)Motion of centre of mass
  12. 12A ball of mass 0 . 15 kg is dropped from a height 10 m strikes the ground and rebounds to the same height. The magnitude of impulse imparted2021Impulse
  13. 13Two particles of mass 5 kg and 10 kg respectively are attached to the two ends of a rigid rod of length 1 m with negligible mass. The centre2020 (Phase 1)Centre of mass of discrete particles
  14. 14Three identical spheres, each of mass M , are placed at the corners of a right angle triangle with mutually perpendicular sides equal to 2 m2020 (Phase 2)Centre of mass of discrete particles
  15. 15Body A of mass 4 m moving with speed u collides with another body B of mass 2 m at rest. The collision is head on and elastic in nature. Aft2019 (All India)Collisions
  16. 16An object flying in air with velocity suddenly breaks in two pieces whose masses are in the ratio . The smaller mass flies off with a veloci2019 (Odisha)momentum
  17. 17A particle of mass at rest suddenly breaks on its own into three fragments. Two fragments of mass m each move along mutually perpendicular d2019 (Odisha)momentum
  18. 18A moving block having mass m , collides with another stationary block having mass 4 m . The lighter block comes to rest after collision. Whe2018Collisions
  19. 19Which of the following statements are correct? (i) Centre of mass of a body always coincides with the centre of gravity of the body. (ii) Ce2017Centre of mass of discrete particles
  20. 20A rigid ball of mass, m strikes a rigid wall at 60 o and gets reflected without any loss of speed as shown in the figure below. The value of2016 (Phase 2)Impulse
  21. 21A bullet of mass 10 g moving horizontally with a velocity of 400 m s - 1 strikes a wooden block of mass 2 kg which is suspended by a light i2016 (Phase 2)momentum
  22. 22Two identical balls A and B having velocities of 0 . 5 m s - 1 and - 0 . 3 m s - 1 , respectively, collide elastically in one dimension. The2016 (Phase 2)Collisions
  23. 23Two particles of masses m 1 , m 2 move with initial velocities u 1 and u 2 . On collision, one of the particles get excited to higher level,2015 (Phase 1)momentum
  24. 24Two spherical bodies of mass M and 5M and radii R and 2R released in free space with initial separation between their centres equal to 12R. 2015 (Phase 1)Centre of mass of discrete particles
  25. 25On a frictionless surfaces, a block of mass M moving at speed v collides elastically with another block of same mass M which is initially at2015 (Phase 2)Collisions
  26. 26Point masses m 1 and m 2 are placed at the opposite ends of rigid rod of length L , and negligible mass. The rod is to be set rotating about2015 (Phase 2)Centre of mass of discrete particles
  27. 27The force F acting on a particle of mass m is indicated by the force-time graph shown below. The change in momentum of the particle over the2014momentum
  28. 28A body of mass 4 m is lying in x - y plane at rest. It suddenly explodes into three pieces. Two pieces, each of mass m move perpendicular to2014momentum
  29. 29An explosion breaks a rock into three parts in a horizontal plane. Two of them go off at right angles to each other. The first part of mass 2013 (All India)momentum
  30. 30A person holding a rifle (mass of person and rifle together is ) stands on a smooth surface and fires 10 shots horizontally, in . Each bulle2013 (Karnataka)momentum
  31. 31Three masses are placed on the -axis : at origin, at and at . The distance of the centre of mass from the origin is2012 (Mains)Centre of mass of discrete particles
  32. 32Two persons of masses and respectively, are at the opposite ends of a boat. The length of the boat is and weighs . The man walks up to the m2012 (Screening)Centre of mass of discrete particles
  33. 33Two spheres and of masses and respectively collide. is at rest initially and is moving with velocity along -axis. After collision has a velo2012 (Screening)Collisions
  34. 34A mass moving horizontally (along the -axis) with velocity collides and sticks to mass of moving vertically upward (along the -axis) with ve2011 (Mains)momentum
  35. 35A body of mass hits normally a rigid wall with velocity and bounces back with the same velocity. The impulse experienced by the body is2011 (Screening)Impulse
  36. 36(1) Centre of gravity (CG) of a body is the point at which the weight of the body acts. (2) Centre of mass coincides with the centre of grav2010 (Mains)Centre of mass of discrete particles
  37. 37A thin circular ring of mass and radius is rotating about its axis with constant angular velocity . Two objects each of mass are attached ge2010 (Mains)Centre of mass of continuous mass distribution
  38. 38A man of mass is standing in a gravity free space at a height of above the floor. He throws a stone of mass downwards with a speed . When th2010 (Screening)momentum
  39. 39A ball moving with velocity collides head on with another stationary ball of double the mass. If the coefficient of restitution is 0.5 , the2010 (Screening)Collisions
  40. 40An engine pumps water through a hose pipe. Water passes through the pipe and leaves it with a velocity of . The mass per unit length of wate2010 (Screening)Variable mass system
  41. 41Two particles which are initially at rest, move towards each other under the action of their internal attraction. If their speeds are and at2010 (Screening)Collisions
  42. 42An explosion blows a rock into three parts Two parts go off at right angles to each other. These two are, first part moving with a velocity 2009 (Mains)momentum
  43. 43Two bodies of mass and have position vectors and , respectively. The centre of mass of this system has a position vector :2009 (Mains)Centre of mass of discrete particles
  44. 44An engine pumps water continuously through a hose. Water leaves the hose with a velocity and is the mass per unit length of the water jet. W2009 (Mains)Variable mass system
  45. 45An explosion blows a rock into three parts. Two parts go off at right angles to each other. These two are, first part moving with a velocity2009 (Screening)momentum
  46. 46Two bodies of mass and have position vectors and , respectively. The centre of mass of this system has a position vector2009 (Screening)Centre of mass of discrete particles
  47. 47An engine pumps water continuously through a hose. Water leaves the hose with a velocity and is the mass per unit length of the water jet. W2009 (Screening)Variable mass system
  48. 48A particle of mass is projected with velocity making an angle of with the horizontal. When the particle lands on the level ground the magnit2008 (Mains)momentum
  49. 49Sand is being dropped on a conveyor belt at the rate of . The force necessary to keep the belt moving with a constant velocity of will be2008 (Mains)Variable mass system
  50. 50A shell of mass is ejected from a gun of mass by an explosion that generates of energy. The initial velocity of the shell is2008 (Mains)momentum

Frequently Asked Questions

1.How many questions are available for Center of Mass Momentum and Collision?

This chapter includes 60 questions compiled from NEET papers spanning 2002 to 2026.

2.Are these questions only from NEET, or from other exams too?

These are NEET questions specifically for the Center of Mass Momentum and Collision chapter. Questions from other exams like AIIMS or JIPMER are organised separately under their respective exam sections.

3.Is Center of Mass Momentum and Collision an important chapter for NEET Physics?

Center of Mass Momentum and Collision has appeared in 24 of the 25 years of NEET papers covered here, with 60 questions across 34 papers - about 2 per paper it appears in.

4.What is the difficulty level of Center of Mass Momentum and Collision questions in NEET?

Of the 60 questions analysed for this chapter, 37% are easy, 33% moderate and 30% tough. 2010 had the most, with 6 questions.

5.Which topics in Center of Mass Momentum and Collision should I focus on?

These topics have carried the most weightage in Center of Mass Momentum and Collision:

  • momentum - 22 questions (37%)
  • Collisions - 12 questions (20%)
  • Centre of mass of discrete particles - 11 questions (18%)
  • momentum has produced the most tough questions (8).
6.Is Center of Mass Momentum and Collision's weightage in NEET going up or down?

Across all 34 papers analysed, Center of Mass Momentum and Collision has averaged about 1.8 questions per paper. In the last three years (2024–2026), that average has fallen, at about 0.3 questions per paper. Use the year-wise numbers on this page for the exact trend before you decide how much time to give it.