These leaders became more and more convinced that the masses comprised a passive mass which had to be led and that they were themselves the active force.

Do we teach our students to be active citizens or just part of a passive mass?

A launching system, particularly a missile launching and steering system, whereby angle-launched missiles may be modernised by converting them into controlled missiles for circular defence, and ejection of the passive mass on the launch pad is prevented.

A passive mass supported on gimbals, or in a container or on a platform so supported, is thus stable relative to a rolling or pitching vehicle such as a ship.