The image above shows two opposite forces acting on a box, what can we say that is true about the affect of the forces on the box?

This may not help but:

If the box is being pushed at a certain direction and it moves in that direction, that means that the force being pushed on the box is greater that the force the box expells.

Big Force. | | Small force

> | Box | <---

(Person)

>

Box moves this way

If the box does not move, then that means that the box is expelling the same amount of force as the person pushing.

Same force. | | Same force

- - - - - -> | Box | <- - - - - -

(Person)

. . . . .

Box stays still

If the box ends up pushing you, then that means that it expells more force than you.

Small Force | | Big force

> | Box | <

(Person)

<

Box moves this way

Really hope this helps since there is no image.