A boat is pushed away from the river bank when a sailor jumps from the boat to the bank. Why?

When a sailor jumps from a boat to the river bank?

Is the boat pushed away when a man jumps out of the boat?

If a man jumps out from a boat, the boat moves backwards. Why?

If a man jumps out from a boat, the boat moves backwards. Why?

To take the boat away from the bank of a river, the boatman pushes the bank with an oar. Why?

A 20 kg kid is sitting in a 60 kg boat in a lake. The distance of kid from the bank of lake is 20 m . If the kid moves 8m on the boat towards the bank, then find the distance of kid from the bank. The system is initially at rest and there is no friction between boat and water.

A man of mass m jumps onto a boat which has a mass M . If the person has a horizontal component of velocity v relative to boat, just before he enters the boat and the boat is travelling at speed v_(0) away from the pier when he makes the jump, the resulting speed of man and boat is

A man of mass m jumps onto a boat which has a mass M . If the person has a horizontal component of velocity v relative to boat, just before he enters the boat and the boat is travelling at speed v_(0) away from the pier when he makes the jump, the resulting speed of man and boat is