Centre of Mass & Momentum: NEET Physics Previous Year Questions

97 previous year questions from Centre of Mass & Momentum. Here are the 25 most important ones; open any question for the correct answer and a full step-by-step solution.

1. $A system of two particles is having masses m_{1} and m_{2} . If the particle of mass m_{1} is pushed towards the centre of mass of particles through a dista\dots$
2. $Statement-1 In an elastic collision between two bodies, the relative speed of the bodies after collision is equal to the relative speed before the collision. because Stat\dots$
3. $A solid cylinder of mass M and radius R rolls without slipping down an inclined plane of length L and height h . What is the speed of its centre of mass when t\dots$
4. $A circular plate A of radius 1.5 r is removed from one edge of a uniform circular plate B of radius 2 r. The distance of centre of mass of the remaining portion f\dots$
5. $A circular ring of mass 10 kg rolls along a horizontal floor. The centre of mass of the ring has a speed 1.5 m / s . The work required to stop the ring is$
6. $When kinetic energy of a body becomes 36 times of its original value, the percentage increase in the momentum of the body will be:$
7. $Distance of the centre of mass of a solid uniform cone from its vertex is z0. If the radius of its base is R and its height is h then z0 is equal to$
8. $Two balls are thrown simultaneously in air. The acceleration of the centre of mass of the two balls when in air,$
9. $A solid sphere of radius R is placed on smooth horizontal surface. A horizontal force F is applied at height h from the lowest point. For the maximum acceleratio\dots$
10. $A solid sphere, disc and solid cylinder all of the same mass and made of the same material are allowed to roll down (from rest) on the inclined plane, then$
11. $A circular hole of radius 3 cm is cut out from a uniform circular disc of radius 6 cm . The centre of the hole is at 3 cm, from the centre of th\dots$
12. $Two persons of masses 55 kg and 65 kg respectively, are at the opposite ends of a boat. The length of the boat is 3.0 m and weighs 100 kg . The 55 kg man walk\dots$
13. $A ball of mass 100 g is dropped at a time t = 0 . A second ball of mass 200 g is dropped from the same point at t = 0.2 s . The distance between the centre of mass of\dots$
14. $Two blocks of masses 2 kg and 1 kg are tied to the ends of a string which passes over a light frictionless pulley.The blocks are held at rest at the sam\dots$
15. $A particle of mass m moving with velocity v collides with a stationary particle of mass 2m. After collision, they stick together and continue to move together with veloci\dots$
16. $Two bodies of mass 1 kg and 3 kg have position vectors i + 2 j + k and‐3 i - 2 j + k, respectively. The centre of mass of this system has a position vector$
17. $A stone of mass 1 kg is tied to a string 2 m long and is rotated at constant speed of 40 m s^{- 1} in a vertical circle. The rati\dots$
18. $A ring and a disc roll on the horizontal surface without slipping with same linear velocity. If both have same mass and total kinetic energy of the ring is 4 J t\dots$
19. $Three bodies A, B and C have equal kinetic energies and their masses are 400 g . 1.2 kg and 1.6 kg respectively. The ratio of\dots$
20. $A solid cylinder of mass m and radius R rolls down an inclined plane of height 30 m without slipping. The speed of its centre of mass when the cylinder reaches th\dots$
21. $Three masses are placed on the x-axis : 300 g at origin, 500g at x = 40 cm and 400g at x = 70 cm. The distance of the centre of mass from the origin is :$
22. $Consider a system of two particles having masses m_{1} and m_{2} . If the particle of mass m_{1} is pushed towards the mass centre of particles through a di\dots$
23. $Two particles of masses 5 g and 3 g are separated by a distance of 40 cm . The centre of mass of the system of these two particles$
24. $Two particles which are initially at rest, move towards each other under the action of their internal attraction. If their speeds are v and 2v at any instant, then the sp\dots$
25. $The real force ' F' acting on a particle of mass ' m' performing circular motion acts along the radius of circle ' r' and is directed towards the centre of ci\dots$

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Centre of Mass & Momentum: NEET Physics Previous Year Questions

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