What is the meaning of the word "force"?

Definitions:

(physics) the influence that produces a change in a physical quantity noun
- force equals mass times acceleration
a group of people having the power of effective action noun
- They joined forces with a band of adventurers.
a powerful effect or influence noun
- The force of my eloquence easily persuaded them.
a unit that is part of some military service noun
- The senate sent Caesar a force of six thousand men.
an act of aggression, as one against a person who resists noun
- They accomplished things through force when diplomacy failed.
do forcibly verb
- exert force
group of people willing to obey orders noun
- a public force is necessary to give security to the rights of citizens
impose urgently, importunately, or inexorably verb
- They forced their diet fads on us.
physical energy or intensity noun
- The ball was hit with all the force the batter could muster.