The ability to do something or act in a particular way, especially as a faculty or quality. The capacity or ability to direct or influence the behavior of others or the course of events. Physical strength and force exerted by something or someone. Energy that is produced by mechanical, electrical, or other means and used to operate a device. The number of times a certain number is to be multiplied by itself. Supply (a device) with mechanical or electrical energy. Move or travel with great speed or force.