This is wrong:
"给毛巾拧水的时候，到一定的程度就扭不动了，这是因为毛巾作用到你手上的力和你作用到毛巾上的力相等了，..."
The action and reaction are always equal and opposite.
Eg. you push a box. The action you exert on the box equals the reaction
of the box on you -- no matter the box moves or not.
I know that you are a good scientist. And I like your novel!