Like most things, the inertia of power is very hard to shift.

FORBES: Human with Machine Trumps Human vs Machine

Journe created this lightweight Octa Sport with 120-hour power reserve and a variable inertia balance wheel for stability even at high speed.

FORBES: The EYE: Land Rover Defender, Spring Colognes And Polos

At the North of England Education Conference, he told journalists local authorities had the power to intervene but "inertia" was stopping some from doing so.

BBC: Education & Family

Yet after two years in power, Mr Fox's government has earned a reputation for caution that borders on inertia.

ECONOMIST: Vicente Fox loses his most outspoken minister