Question

What are the sources of mechanical energy?

Answer 1

Answer:

Explanation:

Falling water (ultimately from the water cycle).

Tidal action or wind (ultimately from Earth’s rotation).

Wind generated from solar heated soil (some caves breathe in at night, and out in the morning).

And of course conversions from other forms of energy, to mechanical (electric motors / solenoids, chemical-fired engines / boilers, etc.)