'Strength' in the Bible

But Jehu drew his bow with his full strength and shot Joram between his shoulders; and the arrow went out through his heart and he sank down in his chariot.

You say (but they are only empty words) ‘I have counsel and strength for the war.’ Now on whom do you rely, that you have rebelled against me?

They said to him, “Thus says Hezekiah, ‘This is a day of distress and anxiety, of punishment and humiliation; for children have come to [the time of their] birth and there is no strength to rescue them.