推すい進しん力りょく

noun

propulsive power; driving force

Refers to the force that pushes something forward, both literally (physics, engineering) and figuratively (motivation, momentum behind a project or movement).

• ロケットの推すい進しん力りょくは燃ねん料りょうの燃ねん焼しょうによって生うまれる。

  A rocket's propulsive power is generated by the combustion of fuel.

• 彼かれの熱ねつ意いがプロジェクトの推すい進しん力りょくとなった。

  His enthusiasm became the driving force behind the project.