4 Kanji
17.
Meaning
power,
strength,
strong,
strain,
bear up,
exert,
Onyomi
リョク (ryoku),
リキ (riki),
Kunyomi
ちから (chikara),
e.g.:
力学 - Rikigaku - dynamics,mechanics,
協力 - Kyōryoku - cooperation,
魅力 - Miryoku - charm,attraction,glamor,fascination,