Wind. You can also attach a machine that spins in the wind, generating electrical power.
some sail boats have moters onley big sail boats have moters not small ones
Wind motion is the type of energy used by kites and sailboats.
boats is the answer to your question
Wind energy is used to sail boats, and turn wind mills to make flour.
There are sail boats, ugly boats, pretty boats, speed boats, fun boats, unfun boats, amazingness boats! i luv boats! i own a boat!!there are sail boats row boats speed boats paddle boats
By using a sail and at last resort a mortar
There are sail planes, sail boats, sail cars, and with a spaceship you could sail to the stars.
The Vikings' boats had one sail because they also had oars with which to row.
Bays
Water
Caravels
Fairly