Two persons of masses 55 kg and 65 kg respectively , are at the opposite ends of a boat . The length of the boat is 3.0 m and weight 100 kg . The 55 kg man walks up to the 65 kg man and sits with him . If the boat is in still water the centre of mass of the system shifts by

Two persons of masses 55 kg and 65 kg respectively , are at the opposi

1.	Two persons of masses 55 kg and 65 kg respectively , are at the opposite ends of a boat . The length of the boat is 3.0 m and weight 100 kg . The 55 kg man walks up to the 65 kg man and sits with him . If the boat is in still water the centre of mass of the system shifts by
Answer» 3.0 m 2.3 m ZERO 0.75 m Solution :As no external FORCE acts on the SYSTEM , therefore centre of MASS will not shift .