Wow, that's probly the most useless piece of advice anyone gives everyone nowadays.
The whole point of coming on this forum is NOT to just be redirected away to another search query. Perhaps you may not have thought of this but, maybe I would like to interact with a real person, not just...
Ok, here we go.
In a rotating mechanism (helicopter rotor), at a state of equilibrium, the rotor consumes a certain amount of energy from the shaft to maintain a constant angular velocity (since there is a measure of resistance present over the span of the rotor).
Lets suppose that the...