An educational fragment on physics for secondary school.
The hydrofoil vessel rushes across the water surface.
Rafting of the forest on the river.
Branches are floating in the water.
At the pier, people board a boat.
The boat goes to the opposite shore.
The helmsman at the helm.
People on a raft watching the movement of the boat (animation).
The scheme of the boat's movement to the opposite shore (animation).
The movement of the raft with the current (animation).
The boat is on the return flight.
The boat departs from the pier.
The scheme of the boat's movement in the opposite direction (cartoon scheme).