Question

class 11 centre of mass​

Answer 1

Answer:

Centre of Mass

Centre of mass of a system is the point that behaves as whole mass of the system is concentrated at it and all external forces are acting on it.

For rigid bodies, centre of mass is independent of the state of the body i.e., whether it is in rest or in accelerated motion centre of mass will rermain same.

Centre of Mass of System of n Particles

If a system consists of n particles of masses m1, m2, m3 ,… mn having position vectors rl, r2, r3,… rn. then position vector of centre of mass