Your aim is to use just enough power to pull off the application.
Make contact, feel the bite and then come off immediately.
Do not wait around to see what happens. Strike like a snake or a scorpion. Fast and penetrating.
The exact same mentality applies to performing a fall or a throw.
Ignore what you think is needed.
What you think is irrelevant. The effect is all that matters. Judge your skill relative to the effect.