'Strength' in the Bible

Jehu drew his bow with his full strength, and struck Joram between his arms; and the arrow went out at his heart, and he sunk down in his chariot.

You say (but they are but vain words), 'There is counsel and strength for war.' Now on whom do you trust, that you have rebelled against me?

They said to him, "Thus says Hezekiah, 'This day is a day of trouble, of rebuke, and of rejection; for the children have come to the point of birth, and there is no strength to deliver them.