In order to use mind rather than force, you need to stop using tension.
Having studied taoism,
physics and human biomechanics at length, it is pretty obvious why brute
force is not recommended.
If you have neglected your study, then your mind and body will be slow to
sensitivity drills in class will encourage you to stop relying on
tension, but progress
will be slow if your mind remains entrenched in old
habits of body
Engaging your mind from the onset of
will speed things up considerably.
Read the classics,
contemplate their teachings and then
apply them in class.