four point masses are placed at the corners of a square of side 2m . find the centre of mass of the system wrt to the centre of square. the masses of objects placed are 1kg,2kg.3kg and 4kg. Share with your friends Share 55 Neha Gupta answered this Solution: Let O be the centre of the square.A,B,C,D are the corners of the square.A = 1kgB= 2kgC = 3 kgD = 4 kgA≡ (1,1)B ≡(-1,1)C≡(-1,-1)D≡(1,-1)X coordinated of the centre fo mass:Xcm = m1x1+m2x2+m3x3+m4x4m1+m2+m3+m4Xcm = 1-2-3+41+2+3+4 = 0Y coordinate of the centre of mass:Ycm = m1y1+m2y2+m3y3+m4y4m1+m2+m3+m4Ycm = 1+2-3-41+2+3+4 = -0.4Coordinates of centre of mass with respect to origin ≡ (0, -0.4) 74 View Full Answer