'Strength' in the Bible

And Jehu drew his bow with his full strength and shot Joram between his arms; and the arrow went through his heart and he sank 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 day is a day of distress, rebuke, and rejection; for children have come to birth and there is no strength to deliver.

‘Therefore their inhabitants were short of strength,They were dismayed and put to shame;They were as the vegetation of the field and as the green herb,As grass on the housetops is scorched before it is grown up.