Ships, Boats & the Deep
How Boats Move
A propeller throws water backward. The water throws the boat forward. Newton, in the ocean.
A two-hundred-thousand-ton ship glides across the sea — no legs, no wheels, no road. Zoom to the stern and there's just one small thing spinning. THIS pushes the whole ship?
Concepts you just met
PropellerNewton's 3rd LawThrustDrag