力

member of an organized crime group; gangster; mobster; yakuza

meritocracy; merit system

Buddhism

Deva king (guardian god at a temple gate, holding a vajra); Vajrapani

the powers that be

hydraulic power; water power

within the sphere of influence (of)

will; will-power

incompetence; inability; disability; incapacity

external force

monetary power

main battle tank; MBT

public power; governmental authority

political force

nuclear power generation; nuclear electricity generation

righting moment; restoring force; stability

Physics

gravitational acceleration; acceleration of gravity

strength of the brush stroke; power of the pen; ability to write

Company name

Kansai Electric Power; KEPCO

thermal power station (i.e. using combustion)

Organization name

Nuclear Regulation Authority; NRA

police force

Proverb

perseverance makes one stronger; slow but steady wins the race

superhuman strength; Herculean strength

self-help efforts; independent efforts; self-supporting endeavor