A man of mass `80 kg` stands on a plank of mass `40 kg`. The plank is lying on a smooth horizontal floor. Initianlly both are at rest. The man starts walking on the plank towards north and stops after moving a distance of `6 m` on the plank. ThenA. The center of mas os plank man system remains stationary.B. The plank will slide to the north by a distance 6mC. The plank will slide to the south by a distance 6mD. The plank will slids to the south by a distance 12m

A man of mass `80 kg` stands on a plank of mass `40 kg`. The plank is

1.	A man of mass `80 kg` stands on a plank of mass `40 kg`. The plank is lying on a smooth horizontal floor. Initianlly both are at rest. The man starts walking on the plank towards north and stops after moving a distance of `6 m` on the plank. ThenA. The center of mas os plank man system remains stationary.B. The plank will slide to the north by a distance 6mC. The plank will slide to the south by a distance 6mD. The plank will slids to the south by a distance 12m
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