The co-ordinates of centre of mass of particles of mass 30,10 and 20gm are `(2,2,2) `cm. The position co-ordinates of mass 40gm which when added to the system,the position of combined centre of mass be at (0,0,0) are.

Find the co-ordinates of centre of mass of the lamina shown in figure

If the centre of mass of three particles of masses of 1kg, 2kg, 3kg is at (2,2,2) , then where should a fourth particle of mass 4kg be placed so that the combined centre of mass may be at (0,0,0).

Centre of mass of two particles with masses 1kg and 2kg located at (2,0,2) and (1,1,0) has the co-ordinates of ?

The coordinates of the positions of particles of mass 7gm,4gm and 10gm are (1,5,-3)(2,5,7)" and "(3,3,-1)cm respectively.The position of the centre of mass of the system would be:

The coordinates of the centre of mass of a system of three particles of mass 1g,2g and 3g are (2,2,2). Where should a fourth particle of mass 4 g be positioned so that the centre of mass of the four particle system is at the origin of the three-dimensional coordinate system ?

The coordinates of the positions of particles of mass 7, 4 and 10 gm are (1, 5,-3) , (2, 5, 7) and (3, 3,-1) respectively. Find the position of the centre of mass of the system?