Choose the correct statement about the centre of mass $(CM)$ of a system of two particles.

  • A
    The $CM$ lies on the line joining the two particles midway between them.
  • B
    The $CM$ lies on the line joining them at a point whose distance from each particle is inversely proportional to the mass of that particle.
  • C
    The $CM$ lies on the line joining them at a point whose distance from each particle is proportional to the square of the mass of that particle.
  • D
    The $CM$ is on the line joining them at a point whose distance from each particle is proportional to the mass of that particle.

Explore More

Similar Questions

Obtain an expression for the position vector of the centre of mass of a system of $n$ particles in two dimensions.

Difficult
View Solution

The centre of mass of a triangle shown in the figure has coordinates

Three identical uniform thin rods each of mass $m$ and length $L$ are arranged in the $XY$ plane as shown in the figure. $A$ fourth uniform thin rod of mass $3m$ is placed as shown in the figure in the $XY$ plane. The value of length of the fourth rod such that the centre of mass of all the four rods lies at the origin is

Find the centre of mass of three particles at the vertices of an equilateral triangle. The masses of the particles are $100 \; g$,$150 \; g$,and $200 \; g$ respectively. Each side of the equilateral triangle is $0.5 \; m$ long.

Define the centre of mass.

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial
For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free
For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo