Yes, there will be a considerable force on the front of the hood which will force it to open at the rear. Wire might be a better option to "simulate" bungie cords, assuming I can get it to look "tight".
I recently purchased the Revell 1957 Chevrolet Black Widow kit:
And I noticed that it has some sort of cable to hold the hood down on the front of the car on the box art. Here is a shot of the real car:
Is that some sort of wire? It's shown on the box, but I don't see anything in the box for it.