'Power' in the Bible

And the men of Ai turned and saw, and behold, the smoke of the city went up to heaven, and they had no power to flee this way or that way; and the people that fled to the wilderness turned upon the pursuers.

And Joshua spoke to the house of Joseph, to Ephraim and to Manasseh, saying, Thou art a great people, and hast great power: thou shalt not have one lot only,