Two bocks of masses 10 g and 20 kg are plced on the X-axis. The first mass is moved on the axis by a distance of 2 cm. By what distance should the second mass be moved to keep the position of the centre of mass unchanged?

Two bocks of masses 10 kg and 20 kg are placed on the X-axis. The first mass is moved on the axis by a distance of 2 cm. By what distance should the second mass be moved to keep the position of the centre of mass unchanged?

Two blocks of masses 10kg and 30kg are placed on X-axis. The first mass is moved on the axis by a distance of 2cm right. By what distance should the second mass be moved to keep the position of centre of mass unchanged.