'Exerted' in the Bible

I have seen the ram pushing westward, and northward, and southward, and no living creatures do stand before it, and there is none delivering out of its hand, and it hath done according to its pleasure, and hath exerted itself.

'And the young he-goat hath exerted itself very much, and when it is strong, broken hath been the great horn; and come up doth a vision of four in its place, at the four winds of the heavens.