Radical 19
Radical 19 or radical power meaning "power" or "force" is one of the 23 Kangxi radicals composed of 2 strokes.
In the Kangxi Dictionary, there are 163 characters to be found under this radical.
力 is also the 23rd indexing component in the Table of Indexing [Chinese Character Components] predominantly adopted by Simplified Chinese dictionaries published in mainland China.