Answer: By moving the turbines by water.
Step-by-step explanation:
A dam is used to generate tidal power by using hydropower. The water is used to rotate the turbines and produce electricity.
Tidal power has a potential future as water can be used to produce electricity, the most common problem associated with this is procedure is low cost and limited sites.
The high speed of water moves the turbines and electricity is generated by the help of generators.