Question

Define centre of mass. Derive an
expression for the centre of mass of
two particle system.​

Answer 1

Centre of mass and centre of gravity: Centre of mass of a body is defined as the point at which the whole of its mass is supposed to be concentrated while centre of gravity of a body is defined as the point at which whole of its weight is supposed to be concentrated

Answer 2

Answer:

Two special point is called the center of mass.

Explanation:

let the two particles m1 and m2 are located at position r1 and r2.