First slide
Centre of mass(com)

Three particles each of mass m, are placed at the corners of an equilateral triangle of side a, as shown in Fig. The position vector of the centre of mass is 


Refer to Fig. The (x, y) co-ordinates of the masses at 0, A and B respectively are 


Therefore, the (x, y) co-ordinates of the centre of mass are


Position vector of centre of mass is a2i^+j^3.

Get Instant Solutions
When in doubt download our app. Now available Google Play Store- Doubts App
Download Now
Doubts App