A plank of mass M and length L is at rest on a frictionless floor. At one end of it a child of mass m is standing as shown in figure-4.41. If child walks towards the other end, find the distance, which the plank moves (a) till the child reaches the centre of the plank, (b) till the child reaches the other end of the plank.

A plank of mas M and length L is at rest on as frictionless floor. The top surface of the plank has friction. At one end of it a man of mass m is standing as shown in figure. If the man walks towards the other end the find the distance, which the plank moves a till the man reaches the centre of the plank. b. till the man reaches the other end of the plank.

A plank of mass 2m and length L is al rest on a frictionless horizontal floor At one end of it, a child of mass m is standing as shown in figure If child walks and reaches the other and then the distance travelled by child wrt ground will be

A boy of mass m is standing at one end of a boat of mass M and length l. The boy walks to the other end, the displacement of the

A wooden plank of mass 20kg is resting on a smooth horizontal floor. A man of mass 60kg starts moving from one end of the plank to the other end. The length of the plank is 10m . Find the displacement of the plank over the floor when the man reaches the other end of the plank.

A wooden plank of mass 20 kg is resting on a smooth horizontal floor. A man of mass 60 kg starts moving from one end of the plank to the other end. The length of the plank is 10 m. Find the displacement of the plank over the floor when the man reaches the other end of the plank.

A wooden plank of mass 20kg is resting on a smooth horizontal floor. A man of mass 60kg starts moving from one end of the plank to the other end. The length of the plank is 10m . Find the displacement of the plank over the floor when the man reaches the other end of the plank.