Q. Two persons of masses $55\, kg$ and $65\, kg$ respectively, are at the opposite ends of a boat. The length of the boat is $3\, m$ and weighs $100\, kg$. The $55\, kg$ man walks upto the $65\, kg$ man and sits with him. If the boat is in still water, the centre of mass of the system shifts by
System of Particles and Rotational Motion
Solution: