Practice portal › NEET › Rotational Motion

Centre of Mass for NEET: 14 solved questions

Real NEET paper questions on centre of mass, part of rotational motion. Each opens with the options, the correct answer and a step-by-step solution. Papers run from 1997 to 2022. No sign-in needed to read them.

What this topic asks

• Discrete systems and motion of the centre of mass — 11 questions
• Centre of mass and centre of gravity — 2 questions
• Centre of mass by integration — 1 question

All 14 questions with solutions

• Two particles of mass 5 kg and 10 kg respectively are attached to the two ends of a rigid rod of length 1 m w… NEET 2020
• Three masses are placed on the x-axis: 300 g at the origin, 500 g at x=40 cm and 400 g at x=70 cm. The distan… CBSE AIPMT 2012 Mains
• Two bodies of mass 1 kg and 3 kg have position vectors ̂i+2̂j+̂k and -3̂i-2̂j+̂k respectively. The centre of… CBSE AIPMT 2009
• Consider a system of two particles having masses m₁ and m₂. If the particle of mass m₁ is pushed towards the… CBSE AIPMT 2004
• Three identical metal balls, each of radius r, are placed touching each other on a horizontal surface such th… CBSE AIPMT 1999
• The centre of mass of a system of particles does not depend on CBSE AIPMT 1997
• Two persons of masses 55 kg and 65 kg respectively, are at the opposite ends of a boat. The length of the boa… CBSE AIPMT 2012
• Two particles which are initially at rest, move towards each other under the action of their internal attract… CBSE AIPMT 2010
• A man of 50 kg mass is standing in a gravity free space at a height of 10 m above the floor. He throws a ston… CBSE AIPMT 2010
• (1) Centre of gravity (C.G.) of a body is the point at which the weight of the body acts. (2) Centre of mass… CBSE AIPMT 2010 Mains
• A rod of length 3 m and its mass per unit length is directly proportional to distance x from one of its end t… CBSE AIPMT 2002
• A shell of mass m is at rest initially. It explodes into three fragments having mass in the ratio 2:2:1. If t… NEET 2022
• Two objects of mass 10 kg and 20 kg respectively are connected to the two ends of a rigid rod of length 10 m… NEET 2022
• Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R). Ass… Re-NEET 2022